Home / 1,591,297.96-2,386,882.16-393,190.08

Finding the Fourth Proportional to 1,591,297.96, 2,386,882.16 and 393,190.08

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Solution

The fourth proportional to 1,591,297.96, 2,386,882.16 and 393,190.08 is: 589,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,297.96 : 2,386,882.16 = 393,190.08 : x
  2. Step 2: Convert to fraction form
    1,591,297.96/2,386,882.16 = 393,190.08/x
  3. Step 3: Cross multiply
    1,591,297.96x = 2,386,882.16 × 393,190.08
  4. Step 4: Simplify right side
    1,591,297.96x = 938,498,387,440.97
  5. Step 5: Solve for x
    x = 938,498,387,440.97/1,591,297.96
  6. Step 6: Final answer
    x = 589,769.11

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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.