Home / 578,082.70-867,124.05-204,057.10

Finding the Fourth Proportional to 578,082.70, 867,124.05 and 204,057.10

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Solution

The fourth proportional to 578,082.70, 867,124.05 and 204,057.10 is: 306,085.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,082.70 : 867,124.05 = 204,057.10 : x
  2. Step 2: Convert to fraction form
    578,082.70/867,124.05 = 204,057.10/x
  3. Step 3: Cross multiply
    578,082.70x = 867,124.05 × 204,057.10
  4. Step 4: Simplify right side
    578,082.70x = 176,942,818,983.26
  5. Step 5: Solve for x
    x = 176,942,818,983.26/578,082.70
  6. Step 6: Final answer
    x = 306,085.65

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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.