Home / 382,764.64-527,667.66-269,235.04

Finding the Fourth Proportional to 382,764.64, 527,667.66 and 269,235.04

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Solution

The fourth proportional to 382,764.64, 527,667.66 and 269,235.04 is: 371,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,764.64 : 527,667.66 = 269,235.04 : x
  2. Step 2: Convert to fraction form
    382,764.64/527,667.66 = 269,235.04/x
  3. Step 3: Cross multiply
    382,764.64x = 527,667.66 × 269,235.04
  4. Step 4: Simplify right side
    382,764.64x = 142,066,623,546.81
  5. Step 5: Solve for x
    x = 142,066,623,546.81/382,764.64
  6. Step 6: Final answer
    x = 371,159.22

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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.