Home / 748,107.57-1,032,395.07-425,838.42

Finding the Fourth Proportional to 748,107.57, 1,032,395.07 and 425,838.42

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Solution

The fourth proportional to 748,107.57, 1,032,395.07 and 425,838.42 is: 587,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,107.57 : 1,032,395.07 = 425,838.42 : x
  2. Step 2: Convert to fraction form
    748,107.57/1,032,395.07 = 425,838.42/x
  3. Step 3: Cross multiply
    748,107.57x = 1,032,395.07 × 425,838.42
  4. Step 4: Simplify right side
    748,107.57x = 439,633,485,424.59
  5. Step 5: Solve for x
    x = 439,633,485,424.59/748,107.57
  6. Step 6: Final answer
    x = 587,660.79

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Double scale
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1.5x scale

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.