Home / 382,669.96-528,084.54-212,904.04

Finding the Fourth Proportional to 382,669.96, 528,084.54 and 212,904.04

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Solution

The fourth proportional to 382,669.96, 528,084.54 and 212,904.04 is: 293,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,669.96 : 528,084.54 = 212,904.04 : x
  2. Step 2: Convert to fraction form
    382,669.96/528,084.54 = 212,904.04/x
  3. Step 3: Cross multiply
    382,669.96x = 528,084.54 × 212,904.04
  4. Step 4: Simplify right side
    382,669.96x = 112,431,332,027.54
  5. Step 5: Solve for x
    x = 112,431,332,027.54/382,669.96
  6. Step 6: Final answer
    x = 293,807.57

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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.