Home / 806,834.42-1,113,451.47-439,331.71

Finding the Fourth Proportional to 806,834.42, 1,113,451.47 and 439,331.71

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Solution

The fourth proportional to 806,834.42, 1,113,451.47 and 439,331.71 is: 606,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,834.42 : 1,113,451.47 = 439,331.71 : x
  2. Step 2: Convert to fraction form
    806,834.42/1,113,451.47 = 439,331.71/x
  3. Step 3: Cross multiply
    806,834.42x = 1,113,451.47 × 439,331.71
  4. Step 4: Simplify right side
    806,834.42x = 489,174,530,553.20
  5. Step 5: Solve for x
    x = 489,174,530,553.20/806,834.42
  6. Step 6: Final answer
    x = 606,288.62

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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.