Home / 1,251,223.20-1,726,690.32-678,261.60

Finding the Fourth Proportional to 1,251,223.20, 1,726,690.32 and 678,261.60

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Solution

The fourth proportional to 1,251,223.20, 1,726,690.32 and 678,261.60 is: 936,002.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,223.20 : 1,726,690.32 = 678,261.60 : x
  2. Step 2: Convert to fraction form
    1,251,223.20/1,726,690.32 = 678,261.60/x
  3. Step 3: Cross multiply
    1,251,223.20x = 1,726,690.32 × 678,261.60
  4. Step 4: Simplify right side
    1,251,223.20x = 1,171,147,739,147.71
  5. Step 5: Solve for x
    x = 1,171,147,739,147.71/1,251,223.20
  6. Step 6: Final answer
    x = 936,002.26

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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.