Home / 635,936.22-877,582.08-349,450.20

Finding the Fourth Proportional to 635,936.22, 877,582.08 and 349,450.20

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Solution

The fourth proportional to 635,936.22, 877,582.08 and 349,450.20 is: 482,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,936.22 : 877,582.08 = 349,450.20 : x
  2. Step 2: Convert to fraction form
    635,936.22/877,582.08 = 349,450.20/x
  3. Step 3: Cross multiply
    635,936.22x = 877,582.08 × 349,450.20
  4. Step 4: Simplify right side
    635,936.22x = 306,671,233,372.42
  5. Step 5: Solve for x
    x = 306,671,233,372.42/635,936.22
  6. Step 6: Final answer
    x = 482,235.83

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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.