Home / 578,851.70-868,277.55-204,826.10

Finding the Fourth Proportional to 578,851.70, 868,277.55 and 204,826.10

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Solution

The fourth proportional to 578,851.70, 868,277.55 and 204,826.10 is: 307,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,851.70 : 868,277.55 = 204,826.10 : x
  2. Step 2: Convert to fraction form
    578,851.70/868,277.55 = 204,826.10/x
  3. Step 3: Cross multiply
    578,851.70x = 868,277.55 × 204,826.10
  4. Step 4: Simplify right side
    578,851.70x = 177,845,904,284.06
  5. Step 5: Solve for x
    x = 177,845,904,284.06/578,851.70
  6. Step 6: Final answer
    x = 307,239.15

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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.