Home / 578,829.60-868,244.40-204,890.40

Finding the Fourth Proportional to 578,829.60, 868,244.40 and 204,890.40

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Solution

The fourth proportional to 578,829.60, 868,244.40 and 204,890.40 is: 307,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,829.60 : 868,244.40 = 204,890.40 : x
  2. Step 2: Convert to fraction form
    578,829.60/868,244.40 = 204,890.40/x
  3. Step 3: Cross multiply
    578,829.60x = 868,244.40 × 204,890.40
  4. Step 4: Simplify right side
    578,829.60x = 177,894,942,413.76
  5. Step 5: Solve for x
    x = 177,894,942,413.76/578,829.60
  6. Step 6: Final answer
    x = 307,335.60

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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.