Home / 572,772.60-858,381.30-406,366.20

Finding the Fourth Proportional to 572,772.60, 858,381.30 and 406,366.20

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Solution

The fourth proportional to 572,772.60, 858,381.30 and 406,366.20 is: 608,997.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,772.60 : 858,381.30 = 406,366.20 : x
  2. Step 2: Convert to fraction form
    572,772.60/858,381.30 = 406,366.20/x
  3. Step 3: Cross multiply
    572,772.60x = 858,381.30 × 406,366.20
  4. Step 4: Simplify right side
    572,772.60x = 348,817,147,032.06
  5. Step 5: Solve for x
    x = 348,817,147,032.06/572,772.60
  6. Step 6: Final answer
    x = 608,997.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.