Home / 1,491,641.10-2,058,464.07-812,577.60

Finding the Fourth Proportional to 1,491,641.10, 2,058,464.07 and 812,577.60

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Solution

The fourth proportional to 1,491,641.10, 2,058,464.07 and 812,577.60 is: 1,121,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,641.10 : 2,058,464.07 = 812,577.60 : x
  2. Step 2: Convert to fraction form
    1,491,641.10/2,058,464.07 = 812,577.60/x
  3. Step 3: Cross multiply
    1,491,641.10x = 2,058,464.07 × 812,577.60
  4. Step 4: Simplify right side
    1,491,641.10x = 1,672,661,793,686.83
  5. Step 5: Solve for x
    x = 1,672,661,793,686.83/1,491,641.10
  6. Step 6: Final answer
    x = 1,121,356.73

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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.