Home / 840,633.80-1,160,074.26-538,827.56

Finding the Fourth Proportional to 840,633.80, 1,160,074.26 and 538,827.56

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Solution

The fourth proportional to 840,633.80, 1,160,074.26 and 538,827.56 is: 743,581.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,633.80 : 1,160,074.26 = 538,827.56 : x
  2. Step 2: Convert to fraction form
    840,633.80/1,160,074.26 = 538,827.56/x
  3. Step 3: Cross multiply
    840,633.80x = 1,160,074.26 × 538,827.56
  4. Step 4: Simplify right side
    840,633.80x = 625,079,982,934.61
  5. Step 5: Solve for x
    x = 625,079,982,934.61/840,633.80
  6. Step 6: Final answer
    x = 743,581.79

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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.