Home / 708,680.10-1,059,788.25-528,892.50

Finding the Fourth Proportional to 708,680.10, 1,059,788.25 and 528,892.50

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Solution

The fourth proportional to 708,680.10, 1,059,788.25 and 528,892.50 is: 790,926.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,680.10 : 1,059,788.25 = 528,892.50 : x
  2. Step 2: Convert to fraction form
    708,680.10/1,059,788.25 = 528,892.50/x
  3. Step 3: Cross multiply
    708,680.10x = 1,059,788.25 × 528,892.50
  4. Step 4: Simplify right side
    708,680.10x = 560,514,057,013.13
  5. Step 5: Solve for x
    x = 560,514,057,013.13/708,680.10
  6. Step 6: Final answer
    x = 790,926.76

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Double scale
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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.