Home / 475,854.02-656,835.57-425,408.65

Finding the Fourth Proportional to 475,854.02, 656,835.57 and 425,408.65

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Solution

The fourth proportional to 475,854.02, 656,835.57 and 425,408.65 is: 587,204.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,854.02 : 656,835.57 = 425,408.65 : x
  2. Step 2: Convert to fraction form
    475,854.02/656,835.57 = 425,408.65/x
  3. Step 3: Cross multiply
    475,854.02x = 656,835.57 × 425,408.65
  4. Step 4: Simplify right side
    475,854.02x = 279,423,532,633.73
  5. Step 5: Solve for x
    x = 279,423,532,633.73/475,854.02
  6. Step 6: Final answer
    x = 587,204.32

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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.