Home / 756,016.45-1,134,024.68-516,515.65

Finding the Fourth Proportional to 756,016.45, 1,134,024.68 and 516,515.65

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Solution

The fourth proportional to 756,016.45, 1,134,024.68 and 516,515.65 is: 774,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,016.45 : 1,134,024.68 = 516,515.65 : x
  2. Step 2: Convert to fraction form
    756,016.45/1,134,024.68 = 516,515.65/x
  3. Step 3: Cross multiply
    756,016.45x = 1,134,024.68 × 516,515.65
  4. Step 4: Simplify right side
    756,016.45x = 585,741,492,123.66
  5. Step 5: Solve for x
    x = 585,741,492,123.66/756,016.45
  6. Step 6: Final answer
    x = 774,773.48

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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.