Home / 749,246.10-1,123,869.15-524,859.90

Finding the Fourth Proportional to 749,246.10, 1,123,869.15 and 524,859.90

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Solution

The fourth proportional to 749,246.10, 1,123,869.15 and 524,859.90 is: 787,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,246.10 : 1,123,869.15 = 524,859.90 : x
  2. Step 2: Convert to fraction form
    749,246.10/1,123,869.15 = 524,859.90/x
  3. Step 3: Cross multiply
    749,246.10x = 1,123,869.15 × 524,859.90
  4. Step 4: Simplify right side
    749,246.10x = 589,873,849,682.09
  5. Step 5: Solve for x
    x = 589,873,849,682.09/749,246.10
  6. Step 6: Final answer
    x = 787,289.85

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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.