Home / 416,266.18-574,447.29-225,279.61

Finding the Fourth Proportional to 416,266.18, 574,447.29 and 225,279.61

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Solution

The fourth proportional to 416,266.18, 574,447.29 and 225,279.61 is: 310,885.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,266.18 : 574,447.29 = 225,279.61 : x
  2. Step 2: Convert to fraction form
    416,266.18/574,447.29 = 225,279.61/x
  3. Step 3: Cross multiply
    416,266.18x = 574,447.29 × 225,279.61
  4. Step 4: Simplify right side
    416,266.18x = 129,411,261,456.76
  5. Step 5: Solve for x
    x = 129,411,261,456.76/416,266.18
  6. Step 6: Final answer
    x = 310,885.84

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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.