Home / 1,192,124.40-1,785,853.80-717,399.60

Finding the Fourth Proportional to 1,192,124.40, 1,785,853.80 and 717,399.60

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Solution

The fourth proportional to 1,192,124.40, 1,785,853.80 and 717,399.60 is: 1,074,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,124.40 : 1,785,853.80 = 717,399.60 : x
  2. Step 2: Convert to fraction form
    1,192,124.40/1,785,853.80 = 717,399.60/x
  3. Step 3: Cross multiply
    1,192,124.40x = 1,785,853.80 × 717,399.60
  4. Step 4: Simplify right side
    1,192,124.40x = 1,281,170,801,778.48
  5. Step 5: Solve for x
    x = 1,281,170,801,778.48/1,192,124.40
  6. Step 6: Final answer
    x = 1,074,695.56

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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.