Home / 1,691,821.32-2,538,396.58-744,527.76

Finding the Fourth Proportional to 1,691,821.32, 2,538,396.58 and 744,527.76

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Solution

The fourth proportional to 1,691,821.32, 2,538,396.58 and 744,527.76 is: 1,117,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,821.32 : 2,538,396.58 = 744,527.76 : x
  2. Step 2: Convert to fraction form
    1,691,821.32/2,538,396.58 = 744,527.76/x
  3. Step 3: Cross multiply
    1,691,821.32x = 2,538,396.58 × 744,527.76
  4. Step 4: Simplify right side
    1,691,821.32x = 1,889,906,719,699.06
  5. Step 5: Solve for x
    x = 1,889,906,719,699.06/1,691,821.32
  6. Step 6: Final answer
    x = 1,117,084.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.