Home / 579,445.20-869,034.90-158,753.88

Finding the Fourth Proportional to 579,445.20, 869,034.90 and 158,753.88

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Solution

The fourth proportional to 579,445.20, 869,034.90 and 158,753.88 is: 238,094.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,445.20 : 869,034.90 = 158,753.88 : x
  2. Step 2: Convert to fraction form
    579,445.20/869,034.90 = 158,753.88/x
  3. Step 3: Cross multiply
    579,445.20x = 869,034.90 × 158,753.88
  4. Step 4: Simplify right side
    579,445.20x = 137,962,662,230.41
  5. Step 5: Solve for x
    x = 137,962,662,230.41/579,445.20
  6. Step 6: Final answer
    x = 238,094.41

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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.