Home / 1,136,731.69-1,568,689.87-627,434.20

Finding the Fourth Proportional to 1,136,731.69, 1,568,689.87 and 627,434.20

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Solution

The fourth proportional to 1,136,731.69, 1,568,689.87 and 627,434.20 is: 865,859.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,731.69 : 1,568,689.87 = 627,434.20 : x
  2. Step 2: Convert to fraction form
    1,136,731.69/1,568,689.87 = 627,434.20/x
  3. Step 3: Cross multiply
    1,136,731.69x = 1,568,689.87 × 627,434.20
  4. Step 4: Simplify right side
    1,136,731.69x = 984,249,668,141.24
  5. Step 5: Solve for x
    x = 984,249,668,141.24/1,136,731.69
  6. Step 6: Final answer
    x = 865,859.27

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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.