Home / 507,927.11-761,882.91-123,679.56

Finding the Fourth Proportional to 507,927.11, 761,882.91 and 123,679.56

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Solution

The fourth proportional to 507,927.11, 761,882.91 and 123,679.56 is: 185,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,927.11 : 761,882.91 = 123,679.56 : x
  2. Step 2: Convert to fraction form
    507,927.11/761,882.91 = 123,679.56/x
  3. Step 3: Cross multiply
    507,927.11x = 761,882.91 × 123,679.56
  4. Step 4: Simplify right side
    507,927.11x = 94,229,341,883.69
  5. Step 5: Solve for x
    x = 94,229,341,883.69/507,927.11
  6. Step 6: Final answer
    x = 185,517.45

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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.