Home / 1,136,811.20-1,568,796.14-627,509.92

Finding the Fourth Proportional to 1,136,811.20, 1,568,796.14 and 627,509.92

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Solution

The fourth proportional to 1,136,811.20, 1,568,796.14 and 627,509.92 is: 865,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,811.20 : 1,568,796.14 = 627,509.92 : x
  2. Step 2: Convert to fraction form
    1,136,811.20/1,568,796.14 = 627,509.92/x
  3. Step 3: Cross multiply
    1,136,811.20x = 1,568,796.14 × 627,509.92
  4. Step 4: Simplify right side
    1,136,811.20x = 984,435,140,307.71
  5. Step 5: Solve for x
    x = 984,435,140,307.71/1,136,811.20
  6. Step 6: Final answer
    x = 865,961.86

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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.