Home / 386,028.48-579,316.32-175,693.44

Finding the Fourth Proportional to 386,028.48, 579,316.32 and 175,693.44

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Solution

The fourth proportional to 386,028.48, 579,316.32 and 175,693.44 is: 263,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,028.48 : 579,316.32 = 175,693.44 : x
  2. Step 2: Convert to fraction form
    386,028.48/579,316.32 = 175,693.44/x
  3. Step 3: Cross multiply
    386,028.48x = 579,316.32 × 175,693.44
  4. Step 4: Simplify right side
    386,028.48x = 101,782,077,108.94
  5. Step 5: Solve for x
    x = 101,782,077,108.94/386,028.48
  6. Step 6: Final answer
    x = 263,664.68

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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.