Home / 691,696.18-1,037,651.55-292,338.64

Finding the Fourth Proportional to 691,696.18, 1,037,651.55 and 292,338.64

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Solution

The fourth proportional to 691,696.18, 1,037,651.55 and 292,338.64 is: 438,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,696.18 : 1,037,651.55 = 292,338.64 : x
  2. Step 2: Convert to fraction form
    691,696.18/1,037,651.55 = 292,338.64/x
  3. Step 3: Cross multiply
    691,696.18x = 1,037,651.55 × 292,338.64
  4. Step 4: Simplify right side
    691,696.18x = 303,345,642,920.89
  5. Step 5: Solve for x
    x = 303,345,642,920.89/691,696.18
  6. Step 6: Final answer
    x = 438,553.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.