Home / 1,330,604.64-1,836,235.08-718,757.38

Finding the Fourth Proportional to 1,330,604.64, 1,836,235.08 and 718,757.38

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Solution

The fourth proportional to 1,330,604.64, 1,836,235.08 and 718,757.38 is: 991,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,604.64 : 1,836,235.08 = 718,757.38 : x
  2. Step 2: Convert to fraction form
    1,330,604.64/1,836,235.08 = 718,757.38/x
  3. Step 3: Cross multiply
    1,330,604.64x = 1,836,235.08 × 718,757.38
  4. Step 4: Simplify right side
    1,330,604.64x = 1,319,807,515,164.89
  5. Step 5: Solve for x
    x = 1,319,807,515,164.89/1,330,604.64
  6. Step 6: Final answer
    x = 991,885.55

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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.