Home / 517,726.90-776,273.23-201,814.75

Finding the Fourth Proportional to 517,726.90, 776,273.23 and 201,814.75

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Solution

The fourth proportional to 517,726.90, 776,273.23 and 201,814.75 is: 302,598.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,726.90 : 776,273.23 = 201,814.75 : x
  2. Step 2: Convert to fraction form
    517,726.90/776,273.23 = 201,814.75/x
  3. Step 3: Cross multiply
    517,726.90x = 776,273.23 × 201,814.75
  4. Step 4: Simplify right side
    517,726.90x = 156,663,387,844.14
  5. Step 5: Solve for x
    x = 156,663,387,844.14/517,726.90
  6. Step 6: Final answer
    x = 302,598.51

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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.