Home / 578,081.70-867,122.55-204,056.10

Finding the Fourth Proportional to 578,081.70, 867,122.55 and 204,056.10

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Solution

The fourth proportional to 578,081.70, 867,122.55 and 204,056.10 is: 306,084.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,081.70 : 867,122.55 = 204,056.10 : x
  2. Step 2: Convert to fraction form
    578,081.70/867,122.55 = 204,056.10/x
  3. Step 3: Cross multiply
    578,081.70x = 867,122.55 × 204,056.10
  4. Step 4: Simplify right side
    578,081.70x = 176,941,645,775.06
  5. Step 5: Solve for x
    x = 176,941,645,775.06/578,081.70
  6. Step 6: Final answer
    x = 306,084.15

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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.