Home / 923,454.68-1,384,829.12-443,545.47

Finding the Fourth Proportional to 923,454.68, 1,384,829.12 and 443,545.47

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Solution

The fourth proportional to 923,454.68, 1,384,829.12 and 443,545.47 is: 665,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,454.68 : 1,384,829.12 = 443,545.47 : x
  2. Step 2: Convert to fraction form
    923,454.68/1,384,829.12 = 443,545.47/x
  3. Step 3: Cross multiply
    923,454.68x = 1,384,829.12 × 443,545.47
  4. Step 4: Simplify right side
    923,454.68x = 614,234,684,008.95
  5. Step 5: Solve for x
    x = 614,234,684,008.95/923,454.68
  6. Step 6: Final answer
    x = 665,148.71

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1.5x scale

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.