Home / 1,136,607.78-1,568,515.52-627,306.50

Finding the Fourth Proportional to 1,136,607.78, 1,568,515.52 and 627,306.50

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Solution

The fourth proportional to 1,136,607.78, 1,568,515.52 and 627,306.50 is: 865,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,607.78 : 1,568,515.52 = 627,306.50 : x
  2. Step 2: Convert to fraction form
    1,136,607.78/1,568,515.52 = 627,306.50/x
  3. Step 3: Cross multiply
    1,136,607.78x = 1,568,515.52 × 627,306.50
  4. Step 4: Simplify right side
    1,136,607.78x = 983,939,981,046.88
  5. Step 5: Solve for x
    x = 983,939,981,046.88/1,136,607.78
  6. Step 6: Final answer
    x = 865,681.19

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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.