Home / 381,853.61-526,899.46-220,677.56

Finding the Fourth Proportional to 381,853.61, 526,899.46 and 220,677.56

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Solution

The fourth proportional to 381,853.61, 526,899.46 and 220,677.56 is: 304,501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,853.61 : 526,899.46 = 220,677.56 : x
  2. Step 2: Convert to fraction form
    381,853.61/526,899.46 = 220,677.56/x
  3. Step 3: Cross multiply
    381,853.61x = 526,899.46 × 220,677.56
  4. Step 4: Simplify right side
    381,853.61x = 116,274,883,460.23
  5. Step 5: Solve for x
    x = 116,274,883,460.23/381,853.61
  6. Step 6: Final answer
    x = 304,501.21

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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.