Home / 424,956.20-637,434.56-406,506.44

Finding the Fourth Proportional to 424,956.20, 637,434.56 and 406,506.44

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Solution

The fourth proportional to 424,956.20, 637,434.56 and 406,506.44 is: 609,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,956.20 : 637,434.56 = 406,506.44 : x
  2. Step 2: Convert to fraction form
    424,956.20/637,434.56 = 406,506.44/x
  3. Step 3: Cross multiply
    424,956.20x = 637,434.56 × 406,506.44
  4. Step 4: Simplify right side
    424,956.20x = 259,121,253,718.57
  5. Step 5: Solve for x
    x = 259,121,253,718.57/424,956.20
  6. Step 6: Final answer
    x = 609,759.91

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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.