Home / 431,247.20-646,987.44-244,389.92

Finding the Fourth Proportional to 431,247.20, 646,987.44 and 244,389.92

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Solution

The fourth proportional to 431,247.20, 646,987.44 and 244,389.92 is: 366,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,247.20 : 646,987.44 = 244,389.92 : x
  2. Step 2: Convert to fraction form
    431,247.20/646,987.44 = 244,389.92/x
  3. Step 3: Cross multiply
    431,247.20x = 646,987.44 × 244,389.92
  4. Step 4: Simplify right side
    431,247.20x = 158,117,208,702.61
  5. Step 5: Solve for x
    x = 158,117,208,702.61/431,247.20
  6. Step 6: Final answer
    x = 366,650.98

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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.