Home / 381,824.60-526,887.11-220,690.08

Finding the Fourth Proportional to 381,824.60, 526,887.11 and 220,690.08

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Solution

The fourth proportional to 381,824.60, 526,887.11 and 220,690.08 is: 304,534.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,824.60 : 526,887.11 = 220,690.08 : x
  2. Step 2: Convert to fraction form
    381,824.60/526,887.11 = 220,690.08/x
  3. Step 3: Cross multiply
    381,824.60x = 526,887.11 × 220,690.08
  4. Step 4: Simplify right side
    381,824.60x = 116,278,759,008.59
  5. Step 5: Solve for x
    x = 116,278,759,008.59/381,824.60
  6. Step 6: Final answer
    x = 304,534.49

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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.