Home / 571,566.79-857,175.09-395,207.11

Finding the Fourth Proportional to 571,566.79, 857,175.09 and 395,207.11

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Solution

The fourth proportional to 571,566.79, 857,175.09 and 395,207.11 is: 592,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,566.79 : 857,175.09 = 395,207.11 : x
  2. Step 2: Convert to fraction form
    571,566.79/857,175.09 = 395,207.11/x
  3. Step 3: Cross multiply
    571,566.79x = 857,175.09 × 395,207.11
  4. Step 4: Simplify right side
    571,566.79x = 338,761,690,082.89
  5. Step 5: Solve for x
    x = 338,761,690,082.89/571,566.79
  6. Step 6: Final answer
    x = 592,689.60

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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.