Home / 691,655.76-1,037,396.16-186,257.07

Finding the Fourth Proportional to 691,655.76, 1,037,396.16 and 186,257.07

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Solution

The fourth proportional to 691,655.76, 1,037,396.16 and 186,257.07 is: 279,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,655.76 : 1,037,396.16 = 186,257.07 : x
  2. Step 2: Convert to fraction form
    691,655.76/1,037,396.16 = 186,257.07/x
  3. Step 3: Cross multiply
    691,655.76x = 1,037,396.16 × 186,257.07
  4. Step 4: Simplify right side
    691,655.76x = 193,222,369,190.85
  5. Step 5: Solve for x
    x = 193,222,369,190.85/691,655.76
  6. Step 6: Final answer
    x = 279,362.05

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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.