Home / 976,887.40-1,465,331.10-658,022.80

Finding the Fourth Proportional to 976,887.40, 1,465,331.10 and 658,022.80

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Solution

The fourth proportional to 976,887.40, 1,465,331.10 and 658,022.80 is: 987,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,887.40 : 1,465,331.10 = 658,022.80 : x
  2. Step 2: Convert to fraction form
    976,887.40/1,465,331.10 = 658,022.80/x
  3. Step 3: Cross multiply
    976,887.40x = 1,465,331.10 × 658,022.80
  4. Step 4: Simplify right side
    976,887.40x = 964,221,273,349.08
  5. Step 5: Solve for x
    x = 964,221,273,349.08/976,887.40
  6. Step 6: Final answer
    x = 987,034.20

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.