Home / 406,717.11-561,141.27-234,611.91

Finding the Fourth Proportional to 406,717.11, 561,141.27 and 234,611.91

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Solution

The fourth proportional to 406,717.11, 561,141.27 and 234,611.91 is: 323,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,717.11 : 561,141.27 = 234,611.91 : x
  2. Step 2: Convert to fraction form
    406,717.11/561,141.27 = 234,611.91/x
  3. Step 3: Cross multiply
    406,717.11x = 561,141.27 × 234,611.91
  4. Step 4: Simplify right side
    406,717.11x = 131,650,425,134.53
  5. Step 5: Solve for x
    x = 131,650,425,134.53/406,717.11
  6. Step 6: Final answer
    x = 323,690.40

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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.