Home / 1,256,358.88-1,884,748.52-986,476.13

Finding the Fourth Proportional to 1,256,358.88, 1,884,748.52 and 986,476.13

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Solution

The fourth proportional to 1,256,358.88, 1,884,748.52 and 986,476.13 is: 1,479,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,358.88 : 1,884,748.52 = 986,476.13 : x
  2. Step 2: Convert to fraction form
    1,256,358.88/1,884,748.52 = 986,476.13/x
  3. Step 3: Cross multiply
    1,256,358.88x = 1,884,748.52 × 986,476.13
  4. Step 4: Simplify right side
    1,256,358.88x = 1,859,259,422,333.54
  5. Step 5: Solve for x
    x = 1,859,259,422,333.54/1,256,358.88
  6. Step 6: Final answer
    x = 1,479,879.24

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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.