Home / 527,018.92-727,286.35-285,301.49

Finding the Fourth Proportional to 527,018.92, 727,286.35 and 285,301.49

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Solution

The fourth proportional to 527,018.92, 727,286.35 and 285,301.49 is: 393,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,018.92 : 727,286.35 = 285,301.49 : x
  2. Step 2: Convert to fraction form
    527,018.92/727,286.35 = 285,301.49/x
  3. Step 3: Cross multiply
    527,018.92x = 727,286.35 × 285,301.49
  4. Step 4: Simplify right side
    527,018.92x = 207,495,880,416.62
  5. Step 5: Solve for x
    x = 207,495,880,416.62/527,018.92
  6. Step 6: Final answer
    x = 393,716.19

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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.