Home / 809,826.57-1,117,569.11-447,259.64

Finding the Fourth Proportional to 809,826.57, 1,117,569.11 and 447,259.64

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Solution

The fourth proportional to 809,826.57, 1,117,569.11 and 447,259.64 is: 617,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,826.57 : 1,117,569.11 = 447,259.64 : x
  2. Step 2: Convert to fraction form
    809,826.57/1,117,569.11 = 447,259.64/x
  3. Step 3: Cross multiply
    809,826.57x = 1,117,569.11 × 447,259.64
  4. Step 4: Simplify right side
    809,826.57x = 499,843,549,989.58
  5. Step 5: Solve for x
    x = 499,843,549,989.58/809,826.57
  6. Step 6: Final answer
    x = 617,222.96

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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.