Home / 539,044.43-743,868.28-297,321.81

Finding the Fourth Proportional to 539,044.43, 743,868.28 and 297,321.81

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Solution

The fourth proportional to 539,044.43, 743,868.28 and 297,321.81 is: 410,296.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,044.43 : 743,868.28 = 297,321.81 : x
  2. Step 2: Convert to fraction form
    539,044.43/743,868.28 = 297,321.81/x
  3. Step 3: Cross multiply
    539,044.43x = 743,868.28 × 297,321.81
  4. Step 4: Simplify right side
    539,044.43x = 221,168,261,924.58
  5. Step 5: Solve for x
    x = 221,168,261,924.58/539,044.43
  6. Step 6: Final answer
    x = 410,296.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.