Home / 1,259,098.88-1,737,512.32-686,127.36

Finding the Fourth Proportional to 1,259,098.88, 1,737,512.32 and 686,127.36

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Solution

The fourth proportional to 1,259,098.88, 1,737,512.32 and 686,127.36 is: 946,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,098.88 : 1,737,512.32 = 686,127.36 : x
  2. Step 2: Convert to fraction form
    1,259,098.88/1,737,512.32 = 686,127.36/x
  3. Step 3: Cross multiply
    1,259,098.88x = 1,737,512.32 × 686,127.36
  4. Step 4: Simplify right side
    1,259,098.88x = 1,192,154,741,089.08
  5. Step 5: Solve for x
    x = 1,192,154,741,089.08/1,259,098.88
  6. Step 6: Final answer
    x = 946,831.71

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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.