Home / 527,555.21-727,624.49-454,092.66

Finding the Fourth Proportional to 527,555.21, 727,624.49 and 454,092.66

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Solution

The fourth proportional to 527,555.21, 727,624.49 and 454,092.66 is: 626,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,555.21 : 727,624.49 = 454,092.66 : x
  2. Step 2: Convert to fraction form
    527,555.21/727,624.49 = 454,092.66/x
  3. Step 3: Cross multiply
    527,555.21x = 727,624.49 × 454,092.66
  4. Step 4: Simplify right side
    527,555.21x = 330,408,937,874.78
  5. Step 5: Solve for x
    x = 330,408,937,874.78/527,555.21
  6. Step 6: Final answer
    x = 626,302.11

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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.