Home / 629,123.85-943,021.17-451,534.59

Finding the Fourth Proportional to 629,123.85, 943,021.17 and 451,534.59

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Solution

The fourth proportional to 629,123.85, 943,021.17 and 451,534.59 is: 676,824.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,123.85 : 943,021.17 = 451,534.59 : x
  2. Step 2: Convert to fraction form
    629,123.85/943,021.17 = 451,534.59/x
  3. Step 3: Cross multiply
    629,123.85x = 943,021.17 × 451,534.59
  4. Step 4: Simplify right side
    629,123.85x = 425,806,677,357.27
  5. Step 5: Solve for x
    x = 425,806,677,357.27/629,123.85
  6. Step 6: Final answer
    x = 676,824.88

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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.