Home / 854,562.88-1,280,723.04-628,866.88

Finding the Fourth Proportional to 854,562.88, 1,280,723.04 and 628,866.88

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Solution

The fourth proportional to 854,562.88, 1,280,723.04 and 628,866.88 is: 942,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,562.88 : 1,280,723.04 = 628,866.88 : x
  2. Step 2: Convert to fraction form
    854,562.88/1,280,723.04 = 628,866.88/x
  3. Step 3: Cross multiply
    854,562.88x = 1,280,723.04 × 628,866.88
  4. Step 4: Simplify right side
    854,562.88x = 805,404,302,308.92
  5. Step 5: Solve for x
    x = 805,404,302,308.92/854,562.88
  6. Step 6: Final answer
    x = 942,475.18

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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.