Home / 1,100,627.68-1,519,188.72-718,713.76

Finding the Fourth Proportional to 1,100,627.68, 1,519,188.72 and 718,713.76

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Solution

The fourth proportional to 1,100,627.68, 1,519,188.72 and 718,713.76 is: 992,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,627.68 : 1,519,188.72 = 718,713.76 : x
  2. Step 2: Convert to fraction form
    1,100,627.68/1,519,188.72 = 718,713.76/x
  3. Step 3: Cross multiply
    1,100,627.68x = 1,519,188.72 × 718,713.76
  4. Step 4: Simplify right side
    1,100,627.68x = 1,091,861,837,100.79
  5. Step 5: Solve for x
    x = 1,091,861,837,100.79/1,100,627.68
  6. Step 6: Final answer
    x = 992,035.60

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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.