Home / 475,962.98-656,876.13-272,043.19

Finding the Fourth Proportional to 475,962.98, 656,876.13 and 272,043.19

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Solution

The fourth proportional to 475,962.98, 656,876.13 and 272,043.19 is: 375,446.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,962.98 : 656,876.13 = 272,043.19 : x
  2. Step 2: Convert to fraction form
    475,962.98/656,876.13 = 272,043.19/x
  3. Step 3: Cross multiply
    475,962.98x = 656,876.13 × 272,043.19
  4. Step 4: Simplify right side
    475,962.98x = 178,698,674,555.67
  5. Step 5: Solve for x
    x = 178,698,674,555.67/475,962.98
  6. Step 6: Final answer
    x = 375,446.59

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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.