Home / 741,020.73-1,022,595.27-418,723.86

Finding the Fourth Proportional to 741,020.73, 1,022,595.27 and 418,723.86

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Solution

The fourth proportional to 741,020.73, 1,022,595.27 and 418,723.86 is: 577,831.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,020.73 : 1,022,595.27 = 418,723.86 : x
  2. Step 2: Convert to fraction form
    741,020.73/1,022,595.27 = 418,723.86/x
  3. Step 3: Cross multiply
    741,020.73x = 1,022,595.27 × 418,723.86
  4. Step 4: Simplify right side
    741,020.73x = 428,185,038,672.14
  5. Step 5: Solve for x
    x = 428,185,038,672.14/741,020.73
  6. Step 6: Final answer
    x = 577,831.39

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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.