Home / 591,738.82-816,400.11-336,909.58

Finding the Fourth Proportional to 591,738.82, 816,400.11 and 336,909.58

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Solution

The fourth proportional to 591,738.82, 816,400.11 and 336,909.58 is: 464,821.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,738.82 : 816,400.11 = 336,909.58 : x
  2. Step 2: Convert to fraction form
    591,738.82/816,400.11 = 336,909.58/x
  3. Step 3: Cross multiply
    591,738.82x = 816,400.11 × 336,909.58
  4. Step 4: Simplify right side
    591,738.82x = 275,053,017,394.46
  5. Step 5: Solve for x
    x = 275,053,017,394.46/591,738.82
  6. Step 6: Final answer
    x = 464,821.66

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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.