Home / 654,218.70-981,036.45-254,726.70

Finding the Fourth Proportional to 654,218.70, 981,036.45 and 254,726.70

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Solution

The fourth proportional to 654,218.70, 981,036.45 and 254,726.70 is: 381,976.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,218.70 : 981,036.45 = 254,726.70 : x
  2. Step 2: Convert to fraction form
    654,218.70/981,036.45 = 254,726.70/x
  3. Step 3: Cross multiply
    654,218.70x = 981,036.45 × 254,726.70
  4. Step 4: Simplify right side
    654,218.70x = 249,896,177,488.22
  5. Step 5: Solve for x
    x = 249,896,177,488.22/654,218.70
  6. Step 6: Final answer
    x = 381,976.51

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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.