Home / 398,270.10-597,515.87-173,650.17

Finding the Fourth Proportional to 398,270.10, 597,515.87 and 173,650.17

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Solution

The fourth proportional to 398,270.10, 597,515.87 and 173,650.17 is: 260,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,270.10 : 597,515.87 = 173,650.17 : x
  2. Step 2: Convert to fraction form
    398,270.10/597,515.87 = 173,650.17/x
  3. Step 3: Cross multiply
    398,270.10x = 597,515.87 × 173,650.17
  4. Step 4: Simplify right side
    398,270.10x = 103,758,732,403.20
  5. Step 5: Solve for x
    x = 103,758,732,403.20/398,270.10
  6. Step 6: Final answer
    x = 260,523.53

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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.