Home / 987,046.60-1,481,261.10-632,921.80

Finding the Fourth Proportional to 987,046.60, 1,481,261.10 and 632,921.80

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Solution

The fourth proportional to 987,046.60, 1,481,261.10 and 632,921.80 is: 949,825.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,046.60 : 1,481,261.10 = 632,921.80 : x
  2. Step 2: Convert to fraction form
    987,046.60/1,481,261.10 = 632,921.80/x
  3. Step 3: Cross multiply
    987,046.60x = 1,481,261.10 × 632,921.80
  4. Step 4: Simplify right side
    987,046.60x = 937,522,441,681.98
  5. Step 5: Solve for x
    x = 937,522,441,681.98/987,046.60
  6. Step 6: Final answer
    x = 949,825.92

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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.