Home / 1,193,187.78-1,646,581.86-656,643.78

Finding the Fourth Proportional to 1,193,187.78, 1,646,581.86 and 656,643.78

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Solution

The fourth proportional to 1,193,187.78, 1,646,581.86 and 656,643.78 is: 906,158.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,187.78 : 1,646,581.86 = 656,643.78 : x
  2. Step 2: Convert to fraction form
    1,193,187.78/1,646,581.86 = 656,643.78/x
  3. Step 3: Cross multiply
    1,193,187.78x = 1,646,581.86 × 656,643.78
  4. Step 4: Simplify right side
    1,193,187.78x = 1,081,217,736,629.83
  5. Step 5: Solve for x
    x = 1,081,217,736,629.83/1,193,187.78
  6. Step 6: Final answer
    x = 906,158.91

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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.