Home / 591,388.35-816,115.44-319,456.17

Finding the Fourth Proportional to 591,388.35, 816,115.44 and 319,456.17

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Solution

The fourth proportional to 591,388.35, 816,115.44 and 319,456.17 is: 440,849.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,388.35 : 816,115.44 = 319,456.17 : x
  2. Step 2: Convert to fraction form
    591,388.35/816,115.44 = 319,456.17/x
  3. Step 3: Cross multiply
    591,388.35x = 816,115.44 × 319,456.17
  4. Step 4: Simplify right side
    591,388.35x = 260,713,112,740.27
  5. Step 5: Solve for x
    x = 260,713,112,740.27/591,388.35
  6. Step 6: Final answer
    x = 440,849.25

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1.5x scale

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.