Home / 527,705.40-727,834.98-331,528.92

Finding the Fourth Proportional to 527,705.40, 727,834.98 and 331,528.92

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Solution

The fourth proportional to 527,705.40, 727,834.98 and 331,528.92 is: 457,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,705.40 : 727,834.98 = 331,528.92 : x
  2. Step 2: Convert to fraction form
    527,705.40/727,834.98 = 331,528.92/x
  3. Step 3: Cross multiply
    527,705.40x = 727,834.98 × 331,528.92
  4. Step 4: Simplify right side
    527,705.40x = 241,298,344,857.62
  5. Step 5: Solve for x
    x = 241,298,344,857.62/527,705.40
  6. Step 6: Final answer
    x = 457,259.57

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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.