Home / 929,708.10-1,394,562.15-628,558.20

Finding the Fourth Proportional to 929,708.10, 1,394,562.15 and 628,558.20

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Solution

The fourth proportional to 929,708.10, 1,394,562.15 and 628,558.20 is: 942,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,708.10 : 1,394,562.15 = 628,558.20 : x
  2. Step 2: Convert to fraction form
    929,708.10/1,394,562.15 = 628,558.20/x
  3. Step 3: Cross multiply
    929,708.10x = 1,394,562.15 × 628,558.20
  4. Step 4: Simplify right side
    929,708.10x = 876,563,474,792.13
  5. Step 5: Solve for x
    x = 876,563,474,792.13/929,708.10
  6. Step 6: Final answer
    x = 942,837.30

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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.