Home / 503,013.42-694,239.40-296,315.19

Finding the Fourth Proportional to 503,013.42, 694,239.40 and 296,315.19

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Solution

The fourth proportional to 503,013.42, 694,239.40 and 296,315.19 is: 408,962.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,013.42 : 694,239.40 = 296,315.19 : x
  2. Step 2: Convert to fraction form
    503,013.42/694,239.40 = 296,315.19/x
  3. Step 3: Cross multiply
    503,013.42x = 694,239.40 × 296,315.19
  4. Step 4: Simplify right side
    503,013.42x = 205,713,679,716.49
  5. Step 5: Solve for x
    x = 205,713,679,716.49/503,013.42
  6. Step 6: Final answer
    x = 408,962.61

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Double scale
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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.