Home / 1,236,188.60-1,850,960.72-784,463.75

Finding the Fourth Proportional to 1,236,188.60, 1,850,960.72 and 784,463.75

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Solution

The fourth proportional to 1,236,188.60, 1,850,960.72 and 784,463.75 is: 1,174,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,188.60 : 1,850,960.72 = 784,463.75 : x
  2. Step 2: Convert to fraction form
    1,236,188.60/1,850,960.72 = 784,463.75/x
  3. Step 3: Cross multiply
    1,236,188.60x = 1,850,960.72 × 784,463.75
  4. Step 4: Simplify right side
    1,236,188.60x = 1,452,011,587,513.90
  5. Step 5: Solve for x
    x = 1,452,011,587,513.90/1,236,188.60
  6. Step 6: Final answer
    x = 1,174,587.43

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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.