Home / 981,767.88-1,354,812.75-552,036.96

Finding the Fourth Proportional to 981,767.88, 1,354,812.75 and 552,036.96

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Solution

The fourth proportional to 981,767.88, 1,354,812.75 and 552,036.96 is: 761,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,767.88 : 1,354,812.75 = 552,036.96 : x
  2. Step 2: Convert to fraction form
    981,767.88/1,354,812.75 = 552,036.96/x
  3. Step 3: Cross multiply
    981,767.88x = 1,354,812.75 × 552,036.96
  4. Step 4: Simplify right side
    981,767.88x = 747,906,711,879.24
  5. Step 5: Solve for x
    x = 747,906,711,879.24/981,767.88
  6. Step 6: Final answer
    x = 761,795.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.