Home / 588,548.16-812,440.53-397,819.89

Finding the Fourth Proportional to 588,548.16, 812,440.53 and 397,819.89

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Solution

The fourth proportional to 588,548.16, 812,440.53 and 397,819.89 is: 549,156.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,548.16 : 812,440.53 = 397,819.89 : x
  2. Step 2: Convert to fraction form
    588,548.16/812,440.53 = 397,819.89/x
  3. Step 3: Cross multiply
    588,548.16x = 812,440.53 × 397,819.89
  4. Step 4: Simplify right side
    588,548.16x = 323,205,002,276.14
  5. Step 5: Solve for x
    x = 323,205,002,276.14/588,548.16
  6. Step 6: Final answer
    x = 549,156.42

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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.