Home / 1,386,331.84-2,074,766.56-1,161,945.60

Finding the Fourth Proportional to 1,386,331.84, 2,074,766.56 and 1,161,945.60

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Solution

The fourth proportional to 1,386,331.84, 2,074,766.56 and 1,161,945.60 is: 1,738,952.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,331.84 : 2,074,766.56 = 1,161,945.60 : x
  2. Step 2: Convert to fraction form
    1,386,331.84/2,074,766.56 = 1,161,945.60/x
  3. Step 3: Cross multiply
    1,386,331.84x = 2,074,766.56 × 1,161,945.60
  4. Step 4: Simplify right side
    1,386,331.84x = 2,410,765,875,419.14
  5. Step 5: Solve for x
    x = 2,410,765,875,419.14/1,386,331.84
  6. Step 6: Final answer
    x = 1,738,952.97

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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.