Home / 1,330,605.64-1,836,236.46-718,758.38

Finding the Fourth Proportional to 1,330,605.64, 1,836,236.46 and 718,758.38

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Solution

The fourth proportional to 1,330,605.64, 1,836,236.46 and 718,758.38 is: 991,886.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,605.64 : 1,836,236.46 = 718,758.38 : x
  2. Step 2: Convert to fraction form
    1,330,605.64/1,836,236.46 = 718,758.38/x
  3. Step 3: Cross multiply
    1,330,605.64x = 1,836,236.46 × 718,758.38
  4. Step 4: Simplify right side
    1,330,605.64x = 1,319,810,343,286.53
  5. Step 5: Solve for x
    x = 1,319,810,343,286.53/1,330,605.64
  6. Step 6: Final answer
    x = 991,886.93

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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.