Home / 564,542.20-779,039.22-335,109.16

Finding the Fourth Proportional to 564,542.20, 779,039.22 and 335,109.16

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Solution

The fourth proportional to 564,542.20, 779,039.22 and 335,109.16 is: 462,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,542.20 : 779,039.22 = 335,109.16 : x
  2. Step 2: Convert to fraction form
    564,542.20/779,039.22 = 335,109.16/x
  3. Step 3: Cross multiply
    564,542.20x = 779,039.22 × 335,109.16
  4. Step 4: Simplify right side
    564,542.20x = 261,063,178,621.26
  5. Step 5: Solve for x
    x = 261,063,178,621.26/564,542.20
  6. Step 6: Final answer
    x = 462,433.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.