Home / 1,166,690.25-1,610,033.63-630,146.25

Finding the Fourth Proportional to 1,166,690.25, 1,610,033.63 and 630,146.25

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Solution

The fourth proportional to 1,166,690.25, 1,610,033.63 and 630,146.25 is: 869,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,690.25 : 1,610,033.63 = 630,146.25 : x
  2. Step 2: Convert to fraction form
    1,166,690.25/1,610,033.63 = 630,146.25/x
  3. Step 3: Cross multiply
    1,166,690.25x = 1,610,033.63 × 630,146.25
  4. Step 4: Simplify right side
    1,166,690.25x = 1,014,556,651,167.66
  5. Step 5: Solve for x
    x = 1,014,556,651,167.66/1,166,690.25
  6. Step 6: Final answer
    x = 869,602.41

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Half scale
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Double scale
Find fourth proportional to 1,166,691.25, 1,610,035.01 and 630,147.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.