Home / 741,081.60-1,022,582.16-418,789.08

Finding the Fourth Proportional to 741,081.60, 1,022,582.16 and 418,789.08

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Solution

The fourth proportional to 741,081.60, 1,022,582.16 and 418,789.08 is: 577,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,081.60 : 1,022,582.16 = 418,789.08 : x
  2. Step 2: Convert to fraction form
    741,081.60/1,022,582.16 = 418,789.08/x
  3. Step 3: Cross multiply
    741,081.60x = 1,022,582.16 × 418,789.08
  4. Step 4: Simplify right side
    741,081.60x = 428,246,242,010.81
  5. Step 5: Solve for x
    x = 428,246,242,010.81/741,081.60
  6. Step 6: Final answer
    x = 577,866.52

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1.5x scale

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.