Home / 782,561.46-1,079,929.17-443,026.74

Finding the Fourth Proportional to 782,561.46, 1,079,929.17 and 443,026.74

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Solution

The fourth proportional to 782,561.46, 1,079,929.17 and 443,026.74 is: 611,373.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,561.46 : 1,079,929.17 = 443,026.74 : x
  2. Step 2: Convert to fraction form
    782,561.46/1,079,929.17 = 443,026.74/x
  3. Step 3: Cross multiply
    782,561.46x = 1,079,929.17 × 443,026.74
  4. Step 4: Simplify right side
    782,561.46x = 478,437,499,616.01
  5. Step 5: Solve for x
    x = 478,437,499,616.01/782,561.46
  6. Step 6: Final answer
    x = 611,373.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.