Home / 1,396,171.75-2,092,320.07-636,155.83

Finding the Fourth Proportional to 1,396,171.75, 2,092,320.07 and 636,155.83

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Solution

The fourth proportional to 1,396,171.75, 2,092,320.07 and 636,155.83 is: 953,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,171.75 : 2,092,320.07 = 636,155.83 : x
  2. Step 2: Convert to fraction form
    1,396,171.75/2,092,320.07 = 636,155.83/x
  3. Step 3: Cross multiply
    1,396,171.75x = 2,092,320.07 × 636,155.83
  4. Step 4: Simplify right side
    1,396,171.75x = 1,331,041,610,756.51
  5. Step 5: Solve for x
    x = 1,331,041,610,756.51/1,396,171.75
  6. Step 6: Final answer
    x = 953,350.92

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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.