Home / 1,226,680.62-1,692,875.03-682,850.87

Finding the Fourth Proportional to 1,226,680.62, 1,692,875.03 and 682,850.87

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Solution

The fourth proportional to 1,226,680.62, 1,692,875.03 and 682,850.87 is: 942,365.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,680.62 : 1,692,875.03 = 682,850.87 : x
  2. Step 2: Convert to fraction form
    1,226,680.62/1,692,875.03 = 682,850.87/x
  3. Step 3: Cross multiply
    1,226,680.62x = 1,692,875.03 × 682,850.87
  4. Step 4: Simplify right side
    1,226,680.62x = 1,155,981,187,036.78
  5. Step 5: Solve for x
    x = 1,155,981,187,036.78/1,226,680.62
  6. Step 6: Final answer
    x = 942,365.25

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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.