Home / 1,136,600.40-1,568,500.84-627,302.78

Finding the Fourth Proportional to 1,136,600.40, 1,568,500.84 and 627,302.78

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Solution

The fourth proportional to 1,136,600.40, 1,568,500.84 and 627,302.78 is: 865,673.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,600.40 : 1,568,500.84 = 627,302.78 : x
  2. Step 2: Convert to fraction form
    1,136,600.40/1,568,500.84 = 627,302.78/x
  3. Step 3: Cross multiply
    1,136,600.40x = 1,568,500.84 × 627,302.78
  4. Step 4: Simplify right side
    1,136,600.40x = 983,924,929,521.83
  5. Step 5: Solve for x
    x = 983,924,929,521.83/1,136,600.40
  6. Step 6: Final answer
    x = 865,673.57

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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.