Home / 514,106.92-769,819.02-413,718.76

Finding the Fourth Proportional to 514,106.92, 769,819.02 and 413,718.76

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Solution

The fourth proportional to 514,106.92, 769,819.02 and 413,718.76 is: 619,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,106.92 : 769,819.02 = 413,718.76 : x
  2. Step 2: Convert to fraction form
    514,106.92/769,819.02 = 413,718.76/x
  3. Step 3: Cross multiply
    514,106.92x = 769,819.02 × 413,718.76
  4. Step 4: Simplify right side
    514,106.92x = 318,488,570,378.82
  5. Step 5: Solve for x
    x = 318,488,570,378.82/514,106.92
  6. Step 6: Final answer
    x = 619,498.70

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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.