Home / 1,136,929.01-1,568,967.05-627,635.57

Finding the Fourth Proportional to 1,136,929.01, 1,568,967.05 and 627,635.57

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Solution

The fourth proportional to 1,136,929.01, 1,568,967.05 and 627,635.57 is: 866,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,929.01 : 1,568,967.05 = 627,635.57 : x
  2. Step 2: Convert to fraction form
    1,136,929.01/1,568,967.05 = 627,635.57/x
  3. Step 3: Cross multiply
    1,136,929.01x = 1,568,967.05 × 627,635.57
  4. Step 4: Simplify right side
    1,136,929.01x = 984,739,525,599.79
  5. Step 5: Solve for x
    x = 984,739,525,599.79/1,136,929.01
  6. Step 6: Final answer
    x = 866,139.85

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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.