Home / 381,812.03-526,869.88-220,677.52

Finding the Fourth Proportional to 381,812.03, 526,869.88 and 220,677.52

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Solution

The fourth proportional to 381,812.03, 526,869.88 and 220,677.52 is: 304,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,812.03 : 526,869.88 = 220,677.52 : x
  2. Step 2: Convert to fraction form
    381,812.03/526,869.88 = 220,677.52/x
  3. Step 3: Cross multiply
    381,812.03x = 526,869.88 × 220,677.52
  4. Step 4: Simplify right side
    381,812.03x = 116,268,336,612.23
  5. Step 5: Solve for x
    x = 116,268,336,612.23/381,812.03
  6. Step 6: Final answer
    x = 304,517.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.