Home / 1,183,855.65-1,633,880.61-667,715.55

Finding the Fourth Proportional to 1,183,855.65, 1,633,880.61 and 667,715.55

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Solution

The fourth proportional to 1,183,855.65, 1,633,880.61 and 667,715.55 is: 921,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,855.65 : 1,633,880.61 = 667,715.55 : x
  2. Step 2: Convert to fraction form
    1,183,855.65/1,633,880.61 = 667,715.55/x
  3. Step 3: Cross multiply
    1,183,855.65x = 1,633,880.61 × 667,715.55
  4. Step 4: Simplify right side
    1,183,855.65x = 1,090,967,490,140.49
  5. Step 5: Solve for x
    x = 1,090,967,490,140.49/1,183,855.65
  6. Step 6: Final answer
    x = 921,537.60

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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.