Home / 1,396,169.38-2,092,316.48-636,153.47

Finding the Fourth Proportional to 1,396,169.38, 2,092,316.48 and 636,153.47

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Solution

The fourth proportional to 1,396,169.38, 2,092,316.48 and 636,153.47 is: 953,347.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,169.38 : 2,092,316.48 = 636,153.47 : x
  2. Step 2: Convert to fraction form
    1,396,169.38/2,092,316.48 = 636,153.47/x
  3. Step 3: Cross multiply
    1,396,169.38x = 2,092,316.48 × 636,153.47
  4. Step 4: Simplify right side
    1,396,169.38x = 1,331,034,389,090.19
  5. Step 5: Solve for x
    x = 1,331,034,389,090.19/1,396,169.38
  6. Step 6: Final answer
    x = 953,347.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.