Home / 733,618.74-1,012,151.85-443,121.78

Finding the Fourth Proportional to 733,618.74, 1,012,151.85 and 443,121.78

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Solution

The fourth proportional to 733,618.74, 1,012,151.85 and 443,121.78 is: 611,361.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,618.74 : 1,012,151.85 = 443,121.78 : x
  2. Step 2: Convert to fraction form
    733,618.74/1,012,151.85 = 443,121.78/x
  3. Step 3: Cross multiply
    733,618.74x = 1,012,151.85 × 443,121.78
  4. Step 4: Simplify right side
    733,618.74x = 448,506,529,402.29
  5. Step 5: Solve for x
    x = 448,506,529,402.29/733,618.74
  6. Step 6: Final answer
    x = 611,361.88

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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.