Home / 805,164.97-1,111,129.96-461,006.18

Finding the Fourth Proportional to 805,164.97, 1,111,129.96 and 461,006.18

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Solution

The fourth proportional to 805,164.97, 1,111,129.96 and 461,006.18 is: 636,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,164.97 : 1,111,129.96 = 461,006.18 : x
  2. Step 2: Convert to fraction form
    805,164.97/1,111,129.96 = 461,006.18/x
  3. Step 3: Cross multiply
    805,164.97x = 1,111,129.96 × 461,006.18
  4. Step 4: Simplify right side
    805,164.97x = 512,237,778,343.15
  5. Step 5: Solve for x
    x = 512,237,778,343.15/805,164.97
  6. Step 6: Final answer
    x = 636,189.85

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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.