Home / 1,136,897.78-1,568,919.21-627,600.50

Finding the Fourth Proportional to 1,136,897.78, 1,568,919.21 and 627,600.50

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Solution

The fourth proportional to 1,136,897.78, 1,568,919.21 and 627,600.50 is: 866,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,897.78 : 1,568,919.21 = 627,600.50 : x
  2. Step 2: Convert to fraction form
    1,136,897.78/1,568,919.21 = 627,600.50/x
  3. Step 3: Cross multiply
    1,136,897.78x = 1,568,919.21 × 627,600.50
  4. Step 4: Simplify right side
    1,136,897.78x = 984,654,480,655.61
  5. Step 5: Solve for x
    x = 984,654,480,655.61/1,136,897.78
  6. Step 6: Final answer
    x = 866,088.84

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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.