Home / 487,441.41-731,521.44-231,275.04

Finding the Fourth Proportional to 487,441.41, 731,521.44 and 231,275.04

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Solution

The fourth proportional to 487,441.41, 731,521.44 and 231,275.04 is: 347,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,441.41 : 731,521.44 = 231,275.04 : x
  2. Step 2: Convert to fraction form
    487,441.41/731,521.44 = 231,275.04/x
  3. Step 3: Cross multiply
    487,441.41x = 731,521.44 × 231,275.04
  4. Step 4: Simplify right side
    487,441.41x = 169,182,650,296.86
  5. Step 5: Solve for x
    x = 169,182,650,296.86/487,441.41
  6. Step 6: Final answer
    x = 347,083.05

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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.