Home / 578,549.20-867,823.80-204,523.60

Finding the Fourth Proportional to 578,549.20, 867,823.80 and 204,523.60

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Solution

The fourth proportional to 578,549.20, 867,823.80 and 204,523.60 is: 306,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,549.20 : 867,823.80 = 204,523.60 : x
  2. Step 2: Convert to fraction form
    578,549.20/867,823.80 = 204,523.60/x
  3. Step 3: Cross multiply
    578,549.20x = 867,823.80 × 204,523.60
  4. Step 4: Simplify right side
    578,549.20x = 177,490,447,741.68
  5. Step 5: Solve for x
    x = 177,490,447,741.68/578,549.20
  6. Step 6: Final answer
    x = 306,785.40

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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.