Home / 578,301.60-867,452.40-204,362.40

Finding the Fourth Proportional to 578,301.60, 867,452.40 and 204,362.40

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Solution

The fourth proportional to 578,301.60, 867,452.40 and 204,362.40 is: 306,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,301.60 : 867,452.40 = 204,362.40 : x
  2. Step 2: Convert to fraction form
    578,301.60/867,452.40 = 204,362.40/x
  3. Step 3: Cross multiply
    578,301.60x = 867,452.40 × 204,362.40
  4. Step 4: Simplify right side
    578,301.60x = 177,274,654,349.76
  5. Step 5: Solve for x
    x = 177,274,654,349.76/578,301.60
  6. Step 6: Final answer
    x = 306,543.60

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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.