Home / 1,330,841.14-1,836,561.64-718,993.55

Finding the Fourth Proportional to 1,330,841.14, 1,836,561.64 and 718,993.55

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Solution

The fourth proportional to 1,330,841.14, 1,836,561.64 and 718,993.55 is: 992,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,841.14 : 1,836,561.64 = 718,993.55 : x
  2. Step 2: Convert to fraction form
    1,330,841.14/1,836,561.64 = 718,993.55/x
  3. Step 3: Cross multiply
    1,330,841.14x = 1,836,561.64 × 718,993.55
  4. Step 4: Simplify right side
    1,330,841.14x = 1,320,475,973,337.42
  5. Step 5: Solve for x
    x = 1,320,475,973,337.42/1,330,841.14
  6. Step 6: Final answer
    x = 992,211.57

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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.