Home / 748,373.52-1,032,732.38-426,129.60

Finding the Fourth Proportional to 748,373.52, 1,032,732.38 and 426,129.60

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Solution

The fourth proportional to 748,373.52, 1,032,732.38 and 426,129.60 is: 588,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,373.52 : 1,032,732.38 = 426,129.60 : x
  2. Step 2: Convert to fraction form
    748,373.52/1,032,732.38 = 426,129.60/x
  3. Step 3: Cross multiply
    748,373.52x = 1,032,732.38 × 426,129.60
  4. Step 4: Simplify right side
    748,373.52x = 440,077,835,996.45
  5. Step 5: Solve for x
    x = 440,077,835,996.45/748,373.52
  6. Step 6: Final answer
    x = 588,045.71

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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.