Home / 1,256,380.98-1,884,781.81-986,498.39

Finding the Fourth Proportional to 1,256,380.98, 1,884,781.81 and 986,498.39

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Solution

The fourth proportional to 1,256,380.98, 1,884,781.81 and 986,498.39 is: 1,479,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,380.98 : 1,884,781.81 = 986,498.39 : x
  2. Step 2: Convert to fraction form
    1,256,380.98/1,884,781.81 = 986,498.39/x
  3. Step 3: Cross multiply
    1,256,380.98x = 1,884,781.81 × 986,498.39
  4. Step 4: Simplify right side
    1,256,380.98x = 1,859,334,227,011.36
  5. Step 5: Solve for x
    x = 1,859,334,227,011.36/1,256,380.98
  6. Step 6: Final answer
    x = 1,479,912.75

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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.