Home / 394,001.04-543,747.89-219,598.38

Finding the Fourth Proportional to 394,001.04, 543,747.89 and 219,598.38

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Solution

The fourth proportional to 394,001.04, 543,747.89 and 219,598.38 is: 303,060.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,001.04 : 543,747.89 = 219,598.38 : x
  2. Step 2: Convert to fraction form
    394,001.04/543,747.89 = 219,598.38/x
  3. Step 3: Cross multiply
    394,001.04x = 543,747.89 × 219,598.38
  4. Step 4: Simplify right side
    394,001.04x = 119,406,154,321.53
  5. Step 5: Solve for x
    x = 119,406,154,321.53/394,001.04
  6. Step 6: Final answer
    x = 303,060.51

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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.