Home / 1,136,731.38-1,568,689.43-627,433.89

Finding the Fourth Proportional to 1,136,731.38, 1,568,689.43 and 627,433.89

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Solution

The fourth proportional to 1,136,731.38, 1,568,689.43 and 627,433.89 is: 865,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,731.38 : 1,568,689.43 = 627,433.89 : x
  2. Step 2: Convert to fraction form
    1,136,731.38/1,568,689.43 = 627,433.89/x
  3. Step 3: Cross multiply
    1,136,731.38x = 1,568,689.43 × 627,433.89
  4. Step 4: Simplify right side
    1,136,731.38x = 984,248,911,266.78
  5. Step 5: Solve for x
    x = 984,248,911,266.78/1,136,731.38
  6. Step 6: Final answer
    x = 865,858.84

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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.