Home / 1,136,605.53-1,568,507.91-627,307.89

Finding the Fourth Proportional to 1,136,605.53, 1,568,507.91 and 627,307.89

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Solution

The fourth proportional to 1,136,605.53, 1,568,507.91 and 627,307.89 is: 865,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,605.53 : 1,568,507.91 = 627,307.89 : x
  2. Step 2: Convert to fraction form
    1,136,605.53/1,568,507.91 = 627,307.89/x
  3. Step 3: Cross multiply
    1,136,605.53x = 1,568,507.91 × 627,307.89
  4. Step 4: Simplify right side
    1,136,605.53x = 983,937,384,333.87
  5. Step 5: Solve for x
    x = 983,937,384,333.87/1,136,605.53
  6. Step 6: Final answer
    x = 865,680.62

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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.