Home / 809,164.32-1,117,066.68-591,128.34

Finding the Fourth Proportional to 809,164.32, 1,117,066.68 and 591,128.34

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Solution

The fourth proportional to 809,164.32, 1,117,066.68 and 591,128.34 is: 816,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,164.32 : 1,117,066.68 = 591,128.34 : x
  2. Step 2: Convert to fraction form
    809,164.32/1,117,066.68 = 591,128.34/x
  3. Step 3: Cross multiply
    809,164.32x = 1,117,066.68 × 591,128.34
  4. Step 4: Simplify right side
    809,164.32x = 660,329,772,217.71
  5. Step 5: Solve for x
    x = 660,329,772,217.71/809,164.32
  6. Step 6: Final answer
    x = 816,063.88

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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.