Home / 691,553.16-1,037,329.74-186,115.28

Finding the Fourth Proportional to 691,553.16, 1,037,329.74 and 186,115.28

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Solution

The fourth proportional to 691,553.16, 1,037,329.74 and 186,115.28 is: 279,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,553.16 : 1,037,329.74 = 186,115.28 : x
  2. Step 2: Convert to fraction form
    691,553.16/1,037,329.74 = 186,115.28/x
  3. Step 3: Cross multiply
    691,553.16x = 1,037,329.74 × 186,115.28
  4. Step 4: Simplify right side
    691,553.16x = 193,062,909,825.78
  5. Step 5: Solve for x
    x = 193,062,909,825.78/691,553.16
  6. Step 6: Final answer
    x = 279,172.91

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Similar ratio
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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.