Home / 987,499.14-1,481,248.68-277,527.18

Finding the Fourth Proportional to 987,499.14, 1,481,248.68 and 277,527.18

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Solution

The fourth proportional to 987,499.14, 1,481,248.68 and 277,527.18 is: 416,290.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,499.14 : 1,481,248.68 = 277,527.18 : x
  2. Step 2: Convert to fraction form
    987,499.14/1,481,248.68 = 277,527.18/x
  3. Step 3: Cross multiply
    987,499.14x = 1,481,248.68 × 277,527.18
  4. Step 4: Simplify right side
    987,499.14x = 411,086,769,039.12
  5. Step 5: Solve for x
    x = 411,086,769,039.12/987,499.14
  6. Step 6: Final answer
    x = 416,290.76

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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.