Home / 1,013,620.73-1,520,431.05-466,457.90

Finding the Fourth Proportional to 1,013,620.73, 1,520,431.05 and 466,457.90

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Solution

The fourth proportional to 1,013,620.73, 1,520,431.05 and 466,457.90 is: 699,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,620.73 : 1,520,431.05 = 466,457.90 : x
  2. Step 2: Convert to fraction form
    1,013,620.73/1,520,431.05 = 466,457.90/x
  3. Step 3: Cross multiply
    1,013,620.73x = 1,520,431.05 × 466,457.90
  4. Step 4: Simplify right side
    1,013,620.73x = 709,217,074,677.80
  5. Step 5: Solve for x
    x = 709,217,074,677.80/1,013,620.73
  6. Step 6: Final answer
    x = 699,686.83

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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.