Home / 507,926.52-761,882.02-123,678.97

Finding the Fourth Proportional to 507,926.52, 761,882.02 and 123,678.97

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Solution

The fourth proportional to 507,926.52, 761,882.02 and 123,678.97 is: 185,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,926.52 : 761,882.02 = 123,678.97 : x
  2. Step 2: Convert to fraction form
    507,926.52/761,882.02 = 123,678.97/x
  3. Step 3: Cross multiply
    507,926.52x = 761,882.02 × 123,678.97
  4. Step 4: Simplify right side
    507,926.52x = 94,228,783,495.12
  5. Step 5: Solve for x
    x = 94,228,783,495.12/507,926.52
  6. Step 6: Final answer
    x = 185,516.57

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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.