Home / 460,497.04-691,139.20-180,211.12

Finding the Fourth Proportional to 460,497.04, 691,139.20 and 180,211.12

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Solution

The fourth proportional to 460,497.04, 691,139.20 and 180,211.12 is: 270,470.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,497.04 : 691,139.20 = 180,211.12 : x
  2. Step 2: Convert to fraction form
    460,497.04/691,139.20 = 180,211.12/x
  3. Step 3: Cross multiply
    460,497.04x = 691,139.20 × 180,211.12
  4. Step 4: Simplify right side
    460,497.04x = 124,550,969,307.90
  5. Step 5: Solve for x
    x = 124,550,969,307.90/460,497.04
  6. Step 6: Final answer
    x = 270,470.73

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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.