Home / 1,118,225.76-1,542,083.04-751,531.20

Finding the Fourth Proportional to 1,118,225.76, 1,542,083.04 and 751,531.20

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Solution

The fourth proportional to 1,118,225.76, 1,542,083.04 and 751,531.20 is: 1,036,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,225.76 : 1,542,083.04 = 751,531.20 : x
  2. Step 2: Convert to fraction form
    1,118,225.76/1,542,083.04 = 751,531.20/x
  3. Step 3: Cross multiply
    1,118,225.76x = 1,542,083.04 × 751,531.20
  4. Step 4: Simplify right side
    1,118,225.76x = 1,158,923,517,550.85
  5. Step 5: Solve for x
    x = 1,158,923,517,550.85/1,118,225.76
  6. Step 6: Final answer
    x = 1,036,394.94

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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.