Home / 588,191.72-811,056.20-406,588.37

Finding the Fourth Proportional to 588,191.72, 811,056.20 and 406,588.37

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Solution

The fourth proportional to 588,191.72, 811,056.20 and 406,588.37 is: 560,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,191.72 : 811,056.20 = 406,588.37 : x
  2. Step 2: Convert to fraction form
    588,191.72/811,056.20 = 406,588.37/x
  3. Step 3: Cross multiply
    588,191.72x = 811,056.20 × 406,588.37
  4. Step 4: Simplify right side
    588,191.72x = 329,766,012,248.17
  5. Step 5: Solve for x
    x = 329,766,012,248.17/588,191.72
  6. Step 6: Final answer
    x = 560,643.76

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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.