Home / 691,542-1,037,721.24-292,156.92

Finding the Fourth Proportional to 691,542, 1,037,721.24 and 292,156.92

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Solution

The fourth proportional to 691,542, 1,037,721.24 and 292,156.92 is: 438,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,542 : 1,037,721.24 = 292,156.92 : x
  2. Step 2: Convert to fraction form
    691,542/1,037,721.24 = 292,156.92/x
  3. Step 3: Cross multiply
    691,542x = 1,037,721.24 × 292,156.92
  4. Step 4: Simplify right side
    691,542x = 303,177,441,296.98
  5. Step 5: Solve for x
    x = 303,177,441,296.98/691,542
  6. Step 6: Final answer
    x = 438,407.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.