Home / 816,001.44-1,224,209.79-479,326.83

Finding the Fourth Proportional to 816,001.44, 1,224,209.79 and 479,326.83

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Solution

The fourth proportional to 816,001.44, 1,224,209.79 and 479,326.83 is: 719,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,001.44 : 1,224,209.79 = 479,326.83 : x
  2. Step 2: Convert to fraction form
    816,001.44/1,224,209.79 = 479,326.83/x
  3. Step 3: Cross multiply
    816,001.44x = 1,224,209.79 × 479,326.83
  4. Step 4: Simplify right side
    816,001.44x = 586,796,597,895.67
  5. Step 5: Solve for x
    x = 586,796,597,895.67/816,001.44
  6. Step 6: Final answer
    x = 719,112.21

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1.5x scale

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.