Home / 1,368,586.61-1,888,568.38-756,691.34

Finding the Fourth Proportional to 1,368,586.61, 1,888,568.38 and 756,691.34

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Solution

The fourth proportional to 1,368,586.61, 1,888,568.38 and 756,691.34 is: 1,044,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,586.61 : 1,888,568.38 = 756,691.34 : x
  2. Step 2: Convert to fraction form
    1,368,586.61/1,888,568.38 = 756,691.34/x
  3. Step 3: Cross multiply
    1,368,586.61x = 1,888,568.38 × 756,691.34
  4. Step 4: Simplify right side
    1,368,586.61x = 1,429,063,347,709.84
  5. Step 5: Solve for x
    x = 1,429,063,347,709.84/1,368,586.61
  6. Step 6: Final answer
    x = 1,044,189.20

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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.