Home / 415,910.34-573,692.04-272,679.66

Finding the Fourth Proportional to 415,910.34, 573,692.04 and 272,679.66

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Solution

The fourth proportional to 415,910.34, 573,692.04 and 272,679.66 is: 376,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,910.34 : 573,692.04 = 272,679.66 : x
  2. Step 2: Convert to fraction form
    415,910.34/573,692.04 = 272,679.66/x
  3. Step 3: Cross multiply
    415,910.34x = 573,692.04 × 272,679.66
  4. Step 4: Simplify right side
    415,910.34x = 156,434,150,411.91
  5. Step 5: Solve for x
    x = 156,434,150,411.91/415,910.34
  6. Step 6: Final answer
    x = 376,124.70

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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.