Home / 747,804.20-1,121,470.98-242,247.88

Finding the Fourth Proportional to 747,804.20, 1,121,470.98 and 242,247.88

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Solution

The fourth proportional to 747,804.20, 1,121,470.98 and 242,247.88 is: 363,295.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,804.20 : 1,121,470.98 = 242,247.88 : x
  2. Step 2: Convert to fraction form
    747,804.20/1,121,470.98 = 242,247.88/x
  3. Step 3: Cross multiply
    747,804.20x = 1,121,470.98 × 242,247.88
  4. Step 4: Simplify right side
    747,804.20x = 271,673,967,386.52
  5. Step 5: Solve for x
    x = 271,673,967,386.52/747,804.20
  6. Step 6: Final answer
    x = 363,295.59

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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.