Home / 750,853.90-1,036,191.63-411,300.10

Finding the Fourth Proportional to 750,853.90, 1,036,191.63 and 411,300.10

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Solution

The fourth proportional to 750,853.90, 1,036,191.63 and 411,300.10 is: 567,601.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,853.90 : 1,036,191.63 = 411,300.10 : x
  2. Step 2: Convert to fraction form
    750,853.90/1,036,191.63 = 411,300.10/x
  3. Step 3: Cross multiply
    750,853.90x = 1,036,191.63 × 411,300.10
  4. Step 4: Simplify right side
    750,853.90x = 426,185,721,038.16
  5. Step 5: Solve for x
    x = 426,185,721,038.16/750,853.90
  6. Step 6: Final answer
    x = 567,601.39

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Double scale
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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.