Home / 578,534.20-867,801.30-204,508.60

Finding the Fourth Proportional to 578,534.20, 867,801.30 and 204,508.60

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Solution

The fourth proportional to 578,534.20, 867,801.30 and 204,508.60 is: 306,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,534.20 : 867,801.30 = 204,508.60 : x
  2. Step 2: Convert to fraction form
    578,534.20/867,801.30 = 204,508.60/x
  3. Step 3: Cross multiply
    578,534.20x = 867,801.30 × 204,508.60
  4. Step 4: Simplify right side
    578,534.20x = 177,472,828,941.18
  5. Step 5: Solve for x
    x = 177,472,828,941.18/578,534.20
  6. Step 6: Final answer
    x = 306,762.90

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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.