Home / 981,997.43-1,471,081.30-554,239.40

Finding the Fourth Proportional to 981,997.43, 1,471,081.30 and 554,239.40

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Solution

The fourth proportional to 981,997.43, 1,471,081.30 and 554,239.40 is: 830,278.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,997.43 : 1,471,081.30 = 554,239.40 : x
  2. Step 2: Convert to fraction form
    981,997.43/1,471,081.30 = 554,239.40/x
  3. Step 3: Cross multiply
    981,997.43x = 1,471,081.30 × 554,239.40
  4. Step 4: Simplify right side
    981,997.43x = 815,331,208,322.22
  5. Step 5: Solve for x
    x = 815,331,208,322.22/981,997.43
  6. Step 6: Final answer
    x = 830,278.36

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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.