Home / 579,444.60-869,166.90-158,719.80

Finding the Fourth Proportional to 579,444.60, 869,166.90 and 158,719.80

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Solution

The fourth proportional to 579,444.60, 869,166.90 and 158,719.80 is: 238,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,444.60 : 869,166.90 = 158,719.80 : x
  2. Step 2: Convert to fraction form
    579,444.60/869,166.90 = 158,719.80/x
  3. Step 3: Cross multiply
    579,444.60x = 869,166.90 × 158,719.80
  4. Step 4: Simplify right side
    579,444.60x = 137,953,996,534.62
  5. Step 5: Solve for x
    x = 137,953,996,534.62/579,444.60
  6. Step 6: Final answer
    x = 238,079.70

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Double scale
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Similar ratio
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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.