Home / 809,434.32-1,117,113.84-673,227.96

Finding the Fourth Proportional to 809,434.32, 1,117,113.84 and 673,227.96

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Solution

The fourth proportional to 809,434.32, 1,117,113.84 and 673,227.96 is: 929,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,434.32 : 1,117,113.84 = 673,227.96 : x
  2. Step 2: Convert to fraction form
    809,434.32/1,117,113.84 = 673,227.96/x
  3. Step 3: Cross multiply
    809,434.32x = 1,117,113.84 × 673,227.96
  4. Step 4: Simplify right side
    809,434.32x = 752,072,271,590.97
  5. Step 5: Solve for x
    x = 752,072,271,590.97/809,434.32
  6. Step 6: Final answer
    x = 929,133.16

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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.