Home / 641,811.57-885,793.23-369,826.53

Finding the Fourth Proportional to 641,811.57, 885,793.23 and 369,826.53

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Solution

The fourth proportional to 641,811.57, 885,793.23 and 369,826.53 is: 510,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,811.57 : 885,793.23 = 369,826.53 : x
  2. Step 2: Convert to fraction form
    641,811.57/885,793.23 = 369,826.53/x
  3. Step 3: Cross multiply
    641,811.57x = 885,793.23 × 369,826.53
  4. Step 4: Simplify right side
    641,811.57x = 327,589,836,548.39
  5. Step 5: Solve for x
    x = 327,589,836,548.39/641,811.57
  6. Step 6: Final answer
    x = 510,414.35

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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.