Home / 530,123.88-731,872.62-349,361.04

Finding the Fourth Proportional to 530,123.88, 731,872.62 and 349,361.04

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Solution

The fourth proportional to 530,123.88, 731,872.62 and 349,361.04 is: 482,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,123.88 : 731,872.62 = 349,361.04 : x
  2. Step 2: Convert to fraction form
    530,123.88/731,872.62 = 349,361.04/x
  3. Step 3: Cross multiply
    530,123.88x = 731,872.62 × 349,361.04
  4. Step 4: Simplify right side
    530,123.88x = 255,687,779,670.73
  5. Step 5: Solve for x
    x = 255,687,779,670.73/530,123.88
  6. Step 6: Final answer
    x = 482,317.04

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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.