Home / 579,563.73-869,247.18-153,104.20

Finding the Fourth Proportional to 579,563.73, 869,247.18 and 153,104.20

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Solution

The fourth proportional to 579,563.73, 869,247.18 and 153,104.20 is: 229,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,563.73 : 869,247.18 = 153,104.20 : x
  2. Step 2: Convert to fraction form
    579,563.73/869,247.18 = 153,104.20/x
  3. Step 3: Cross multiply
    579,563.73x = 869,247.18 × 153,104.20
  4. Step 4: Simplify right side
    579,563.73x = 133,085,395,182.72
  5. Step 5: Solve for x
    x = 133,085,395,182.72/579,563.73
  6. Step 6: Final answer
    x = 229,630.30

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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.