Home / 525,964.60-788,946.90-189,166.60

Finding the Fourth Proportional to 525,964.60, 788,946.90 and 189,166.60

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Solution

The fourth proportional to 525,964.60, 788,946.90 and 189,166.60 is: 283,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,964.60 : 788,946.90 = 189,166.60 : x
  2. Step 2: Convert to fraction form
    525,964.60/788,946.90 = 189,166.60/x
  3. Step 3: Cross multiply
    525,964.60x = 788,946.90 × 189,166.60
  4. Step 4: Simplify right side
    525,964.60x = 149,242,402,653.54
  5. Step 5: Solve for x
    x = 149,242,402,653.54/525,964.60
  6. Step 6: Final answer
    x = 283,749.90

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Half scale
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Double scale
Find fourth proportional to 525,965.60, 788,948.40 and 189,167.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.