Home / 747,584.36-1,031,630.54-425,264.30

Finding the Fourth Proportional to 747,584.36, 1,031,630.54 and 425,264.30

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Solution

The fourth proportional to 747,584.36, 1,031,630.54 and 425,264.30 is: 586,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,584.36 : 1,031,630.54 = 425,264.30 : x
  2. Step 2: Convert to fraction form
    747,584.36/1,031,630.54 = 425,264.30/x
  3. Step 3: Cross multiply
    747,584.36x = 1,031,630.54 × 425,264.30
  4. Step 4: Simplify right side
    747,584.36x = 438,715,639,451.72
  5. Step 5: Solve for x
    x = 438,715,639,451.72/747,584.36
  6. Step 6: Final answer
    x = 586,844.33

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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.