Home / 579,267.58-868,899.60-146,984.20

Finding the Fourth Proportional to 579,267.58, 868,899.60 and 146,984.20

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Solution

The fourth proportional to 579,267.58, 868,899.60 and 146,984.20 is: 220,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,267.58 : 868,899.60 = 146,984.20 : x
  2. Step 2: Convert to fraction form
    579,267.58/868,899.60 = 146,984.20/x
  3. Step 3: Cross multiply
    579,267.58x = 868,899.60 × 146,984.20
  4. Step 4: Simplify right side
    579,267.58x = 127,714,512,586.32
  5. Step 5: Solve for x
    x = 127,714,512,586.32/579,267.58
  6. Step 6: Final answer
    x = 220,475.85

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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.