Home / 853,882.75-1,178,319.47-527,341.78

Finding the Fourth Proportional to 853,882.75, 1,178,319.47 and 527,341.78

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Solution

The fourth proportional to 853,882.75, 1,178,319.47 and 527,341.78 is: 727,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,882.75 : 1,178,319.47 = 527,341.78 : x
  2. Step 2: Convert to fraction form
    853,882.75/1,178,319.47 = 527,341.78/x
  3. Step 3: Cross multiply
    853,882.75x = 1,178,319.47 × 527,341.78
  4. Step 4: Simplify right side
    853,882.75x = 621,377,081,892.90
  5. Step 5: Solve for x
    x = 621,377,081,892.90/853,882.75
  6. Step 6: Final answer
    x = 727,707.74

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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.