Home / 1,136,393.76-1,568,491.79-653,239.20

Finding the Fourth Proportional to 1,136,393.76, 1,568,491.79 and 653,239.20

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Solution

The fourth proportional to 1,136,393.76, 1,568,491.79 and 653,239.20 is: 901,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,393.76 : 1,568,491.79 = 653,239.20 : x
  2. Step 2: Convert to fraction form
    1,136,393.76/1,568,491.79 = 653,239.20/x
  3. Step 3: Cross multiply
    1,136,393.76x = 1,568,491.79 × 653,239.20
  4. Step 4: Simplify right side
    1,136,393.76x = 1,024,600,318,839.97
  5. Step 5: Solve for x
    x = 1,024,600,318,839.97/1,136,393.76
  6. Step 6: Final answer
    x = 901,624.38

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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.