Home / 813,625.32-1,123,329.96-523,366.68

Finding the Fourth Proportional to 813,625.32, 1,123,329.96 and 523,366.68

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Solution

The fourth proportional to 813,625.32, 1,123,329.96 and 523,366.68 is: 722,585.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,625.32 : 1,123,329.96 = 523,366.68 : x
  2. Step 2: Convert to fraction form
    813,625.32/1,123,329.96 = 523,366.68/x
  3. Step 3: Cross multiply
    813,625.32x = 1,123,329.96 × 523,366.68
  4. Step 4: Simplify right side
    813,625.32x = 587,913,471,709.73
  5. Step 5: Solve for x
    x = 587,913,471,709.73/813,625.32
  6. Step 6: Final answer
    x = 722,585.02

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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.