Home / 1,131,581.16-1,698,182.46-411,921.36

Finding the Fourth Proportional to 1,131,581.16, 1,698,182.46 and 411,921.36

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Solution

The fourth proportional to 1,131,581.16, 1,698,182.46 and 411,921.36 is: 618,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,581.16 : 1,698,182.46 = 411,921.36 : x
  2. Step 2: Convert to fraction form
    1,131,581.16/1,698,182.46 = 411,921.36/x
  3. Step 3: Cross multiply
    1,131,581.16x = 1,698,182.46 × 411,921.36
  4. Step 4: Simplify right side
    1,131,581.16x = 699,517,628,451.35
  5. Step 5: Solve for x
    x = 699,517,628,451.35/1,131,581.16
  6. Step 6: Final answer
    x = 618,177.16

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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.