Home / 1,136,685.76-1,568,514.60-627,355.30

Finding the Fourth Proportional to 1,136,685.76, 1,568,514.60 and 627,355.30

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Solution

The fourth proportional to 1,136,685.76, 1,568,514.60 and 627,355.30 is: 865,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,685.76 : 1,568,514.60 = 627,355.30 : x
  2. Step 2: Convert to fraction form
    1,136,685.76/1,568,514.60 = 627,355.30/x
  3. Step 3: Cross multiply
    1,136,685.76x = 1,568,514.60 × 627,355.30
  4. Step 4: Simplify right side
    1,136,685.76x = 984,015,947,437.38
  5. Step 5: Solve for x
    x = 984,015,947,437.38/1,136,685.76
  6. Step 6: Final answer
    x = 865,688.64

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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.