Home / 1,112,229.18-1,534,816.59-628,765.50

Finding the Fourth Proportional to 1,112,229.18, 1,534,816.59 and 628,765.50

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Solution

The fourth proportional to 1,112,229.18, 1,534,816.59 and 628,765.50 is: 867,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,229.18 : 1,534,816.59 = 628,765.50 : x
  2. Step 2: Convert to fraction form
    1,112,229.18/1,534,816.59 = 628,765.50/x
  3. Step 3: Cross multiply
    1,112,229.18x = 1,534,816.59 × 628,765.50
  4. Step 4: Simplify right side
    1,112,229.18x = 965,039,720,619.65
  5. Step 5: Solve for x
    x = 965,039,720,619.65/1,112,229.18
  6. Step 6: Final answer
    x = 867,662.65

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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.