Home / 1,136,719.66-1,568,711.11-620,504.15

Finding the Fourth Proportional to 1,136,719.66, 1,568,711.11 and 620,504.15

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Solution

The fourth proportional to 1,136,719.66, 1,568,711.11 and 620,504.15 is: 856,316.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,719.66 : 1,568,711.11 = 620,504.15 : x
  2. Step 2: Convert to fraction form
    1,136,719.66/1,568,711.11 = 620,504.15/x
  3. Step 3: Cross multiply
    1,136,719.66x = 1,568,711.11 × 620,504.15
  4. Step 4: Simplify right side
    1,136,719.66x = 973,391,747,419.90
  5. Step 5: Solve for x
    x = 973,391,747,419.90/1,136,719.66
  6. Step 6: Final answer
    x = 856,316.45

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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.