Home / 313,244.32-469,862.28-76,589.04

Finding the Fourth Proportional to 313,244.32, 469,862.28 and 76,589.04

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Solution

The fourth proportional to 313,244.32, 469,862.28 and 76,589.04 is: 114,882.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,244.32 : 469,862.28 = 76,589.04 : x
  2. Step 2: Convert to fraction form
    313,244.32/469,862.28 = 76,589.04/x
  3. Step 3: Cross multiply
    313,244.32x = 469,862.28 × 76,589.04
  4. Step 4: Simplify right side
    313,244.32x = 35,986,300,957.41
  5. Step 5: Solve for x
    x = 35,986,300,957.41/313,244.32
  6. Step 6: Final answer
    x = 114,882.53

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1.5x scale

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.