Home / 1,639,542.78-2,459,129.49-441,552.78

Finding the Fourth Proportional to 1,639,542.78, 2,459,129.49 and 441,552.78

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Solution

The fourth proportional to 1,639,542.78, 2,459,129.49 and 441,552.78 is: 662,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,542.78 : 2,459,129.49 = 441,552.78 : x
  2. Step 2: Convert to fraction form
    1,639,542.78/2,459,129.49 = 441,552.78/x
  3. Step 3: Cross multiply
    1,639,542.78x = 2,459,129.49 × 441,552.78
  4. Step 4: Simplify right side
    1,639,542.78x = 1,085,835,462,689.48
  5. Step 5: Solve for x
    x = 1,085,835,462,689.48/1,639,542.78
  6. Step 6: Final answer
    x = 662,279.43

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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.