Home / 1,055,073.60-1,456,661.88-812,896.56

Finding the Fourth Proportional to 1,055,073.60, 1,456,661.88 and 812,896.56

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Solution

The fourth proportional to 1,055,073.60, 1,456,661.88 and 812,896.56 is: 1,122,306.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,073.60 : 1,456,661.88 = 812,896.56 : x
  2. Step 2: Convert to fraction form
    1,055,073.60/1,456,661.88 = 812,896.56/x
  3. Step 3: Cross multiply
    1,055,073.60x = 1,456,661.88 × 812,896.56
  4. Step 4: Simplify right side
    1,055,073.60x = 1,184,115,431,335.13
  5. Step 5: Solve for x
    x = 1,184,115,431,335.13/1,055,073.60
  6. Step 6: Final answer
    x = 1,122,306.00

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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.