Home / 1,136,391.76-1,568,489.03-653,237.20

Finding the Fourth Proportional to 1,136,391.76, 1,568,489.03 and 653,237.20

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Solution

The fourth proportional to 1,136,391.76, 1,568,489.03 and 653,237.20 is: 901,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,391.76 : 1,568,489.03 = 653,237.20 : x
  2. Step 2: Convert to fraction form
    1,136,391.76/1,568,489.03 = 653,237.20/x
  3. Step 3: Cross multiply
    1,136,391.76x = 1,568,489.03 × 653,237.20
  4. Step 4: Simplify right side
    1,136,391.76x = 1,024,595,382,187.92
  5. Step 5: Solve for x
    x = 1,024,595,382,187.92/1,136,391.76
  6. Step 6: Final answer
    x = 901,621.62

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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.