Home / 732,645.78-1,011,082.53-426,672.78

Finding the Fourth Proportional to 732,645.78, 1,011,082.53 and 426,672.78

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Solution

The fourth proportional to 732,645.78, 1,011,082.53 and 426,672.78 is: 588,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,645.78 : 1,011,082.53 = 426,672.78 : x
  2. Step 2: Convert to fraction form
    732,645.78/1,011,082.53 = 426,672.78/x
  3. Step 3: Cross multiply
    732,645.78x = 1,011,082.53 × 426,672.78
  4. Step 4: Simplify right side
    732,645.78x = 431,401,393,884.53
  5. Step 5: Solve for x
    x = 431,401,393,884.53/732,645.78
  6. Step 6: Final answer
    x = 588,826.70

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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.