Home / 661,184.73-991,788.01-287,207.73

Finding the Fourth Proportional to 661,184.73, 991,788.01 and 287,207.73

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Solution

The fourth proportional to 661,184.73, 991,788.01 and 287,207.73 is: 430,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,184.73 : 991,788.01 = 287,207.73 : x
  2. Step 2: Convert to fraction form
    661,184.73/991,788.01 = 287,207.73/x
  3. Step 3: Cross multiply
    661,184.73x = 991,788.01 × 287,207.73
  4. Step 4: Simplify right side
    661,184.73x = 284,849,182,275.30
  5. Step 5: Solve for x
    x = 284,849,182,275.30/661,184.73
  6. Step 6: Final answer
    x = 430,816.34

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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.