Home / 1,192,787.14-1,645,923.36-709,258.86

Finding the Fourth Proportional to 1,192,787.14, 1,645,923.36 and 709,258.86

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Solution

The fourth proportional to 1,192,787.14, 1,645,923.36 and 709,258.86 is: 978,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,787.14 : 1,645,923.36 = 709,258.86 : x
  2. Step 2: Convert to fraction form
    1,192,787.14/1,645,923.36 = 709,258.86/x
  3. Step 3: Cross multiply
    1,192,787.14x = 1,645,923.36 × 709,258.86
  4. Step 4: Simplify right side
    1,192,787.14x = 1,167,385,725,960.97
  5. Step 5: Solve for x
    x = 1,167,385,725,960.97/1,192,787.14
  6. Step 6: Final answer
    x = 978,704.15

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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.