Home / 635,358.29-953,037.77-398,867.04

Finding the Fourth Proportional to 635,358.29, 953,037.77 and 398,867.04

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Solution

The fourth proportional to 635,358.29, 953,037.77 and 398,867.04 is: 598,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,358.29 : 953,037.77 = 398,867.04 : x
  2. Step 2: Convert to fraction form
    635,358.29/953,037.77 = 398,867.04/x
  3. Step 3: Cross multiply
    635,358.29x = 953,037.77 × 398,867.04
  4. Step 4: Simplify right side
    635,358.29x = 380,135,352,333.77
  5. Step 5: Solve for x
    x = 380,135,352,333.77/635,358.29
  6. Step 6: Final answer
    x = 598,300.77

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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.