Home / 398,341.20-597,617.40-173,605.20

Finding the Fourth Proportional to 398,341.20, 597,617.40 and 173,605.20

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Solution

The fourth proportional to 398,341.20, 597,617.40 and 173,605.20 is: 260,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,341.20 : 597,617.40 = 173,605.20 : x
  2. Step 2: Convert to fraction form
    398,341.20/597,617.40 = 173,605.20/x
  3. Step 3: Cross multiply
    398,341.20x = 597,617.40 × 173,605.20
  4. Step 4: Simplify right side
    398,341.20x = 103,749,488,250.48
  5. Step 5: Solve for x
    x = 103,749,488,250.48/398,341.20
  6. Step 6: Final answer
    x = 260,453.82

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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.