Home / 981,707.70-1,472,561.55-532,643.70

Finding the Fourth Proportional to 981,707.70, 1,472,561.55 and 532,643.70

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Solution

The fourth proportional to 981,707.70, 1,472,561.55 and 532,643.70 is: 798,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,707.70 : 1,472,561.55 = 532,643.70 : x
  2. Step 2: Convert to fraction form
    981,707.70/1,472,561.55 = 532,643.70/x
  3. Step 3: Cross multiply
    981,707.70x = 1,472,561.55 × 532,643.70
  4. Step 4: Simplify right side
    981,707.70x = 784,350,632,469.74
  5. Step 5: Solve for x
    x = 784,350,632,469.74/981,707.70
  6. Step 6: Final answer
    x = 798,965.55

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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.