Home / 744,005.68-1,026,684.24-404,470.96

Finding the Fourth Proportional to 744,005.68, 1,026,684.24 and 404,470.96

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Solution

The fourth proportional to 744,005.68, 1,026,684.24 and 404,470.96 is: 558,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,005.68 : 1,026,684.24 = 404,470.96 : x
  2. Step 2: Convert to fraction form
    744,005.68/1,026,684.24 = 404,470.96/x
  3. Step 3: Cross multiply
    744,005.68x = 1,026,684.24 × 404,470.96
  4. Step 4: Simplify right side
    744,005.68x = 415,263,960,169.67
  5. Step 5: Solve for x
    x = 415,263,960,169.67/744,005.68
  6. Step 6: Final answer
    x = 558,146.22

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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.