Home / 656,478.08-984,717.01-207,514.11

Finding the Fourth Proportional to 656,478.08, 984,717.01 and 207,514.11

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Solution

The fourth proportional to 656,478.08, 984,717.01 and 207,514.11 is: 311,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,478.08 : 984,717.01 = 207,514.11 : x
  2. Step 2: Convert to fraction form
    656,478.08/984,717.01 = 207,514.11/x
  3. Step 3: Cross multiply
    656,478.08x = 984,717.01 × 207,514.11
  4. Step 4: Simplify right side
    656,478.08x = 204,342,673,932.01
  5. Step 5: Solve for x
    x = 204,342,673,932.01/656,478.08
  6. Step 6: Final answer
    x = 311,271.13

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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.