Home / 527,019.17-727,286.29-285,301.56

Finding the Fourth Proportional to 527,019.17, 727,286.29 and 285,301.56

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Solution

The fourth proportional to 527,019.17, 727,286.29 and 285,301.56 is: 393,716.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,019.17 : 727,286.29 = 285,301.56 : x
  2. Step 2: Convert to fraction form
    527,019.17/727,286.29 = 285,301.56/x
  3. Step 3: Cross multiply
    527,019.17x = 727,286.29 × 285,301.56
  4. Step 4: Simplify right side
    527,019.17x = 207,495,915,117.68
  5. Step 5: Solve for x
    x = 207,495,915,117.68/527,019.17
  6. Step 6: Final answer
    x = 393,716.07

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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.