Home / 913,104.24-1,369,843.17-313,987.59

Finding the Fourth Proportional to 913,104.24, 1,369,843.17 and 313,987.59

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Solution

The fourth proportional to 913,104.24, 1,369,843.17 and 313,987.59 is: 471,045.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,104.24 : 1,369,843.17 = 313,987.59 : x
  2. Step 2: Convert to fraction form
    913,104.24/1,369,843.17 = 313,987.59/x
  3. Step 3: Cross multiply
    913,104.24x = 1,369,843.17 × 313,987.59
  4. Step 4: Simplify right side
    913,104.24x = 430,113,755,331.90
  5. Step 5: Solve for x
    x = 430,113,755,331.90/913,104.24
  6. Step 6: Final answer
    x = 471,045.62

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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.