Home / 865,128.64-1,193,219.76-744,471.04

Finding the Fourth Proportional to 865,128.64, 1,193,219.76 and 744,471.04

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Solution

The fourth proportional to 865,128.64, 1,193,219.76 and 744,471.04 is: 1,026,804.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,128.64 : 1,193,219.76 = 744,471.04 : x
  2. Step 2: Convert to fraction form
    865,128.64/1,193,219.76 = 744,471.04/x
  3. Step 3: Cross multiply
    865,128.64x = 1,193,219.76 × 744,471.04
  4. Step 4: Simplify right side
    865,128.64x = 888,317,555,675.75
  5. Step 5: Solve for x
    x = 888,317,555,675.75/865,128.64
  6. Step 6: Final answer
    x = 1,026,804.01

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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.