Home / 1,449,452.16-1,999,921.86-876,480.30

Finding the Fourth Proportional to 1,449,452.16, 1,999,921.86 and 876,480.30

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Solution

The fourth proportional to 1,449,452.16, 1,999,921.86 and 876,480.30 is: 1,209,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,452.16 : 1,999,921.86 = 876,480.30 : x
  2. Step 2: Convert to fraction form
    1,449,452.16/1,999,921.86 = 876,480.30/x
  3. Step 3: Cross multiply
    1,449,452.16x = 1,999,921.86 × 876,480.30
  4. Step 4: Simplify right side
    1,449,452.16x = 1,752,892,111,829.36
  5. Step 5: Solve for x
    x = 1,752,892,111,829.36/1,449,452.16
  6. Step 6: Final answer
    x = 1,209,348.03

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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.