Home / 382,055.05-527,224.83-218,706.15

Finding the Fourth Proportional to 382,055.05, 527,224.83 and 218,706.15

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Solution

The fourth proportional to 382,055.05, 527,224.83 and 218,706.15 is: 301,808.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,055.05 : 527,224.83 = 218,706.15 : x
  2. Step 2: Convert to fraction form
    382,055.05/527,224.83 = 218,706.15/x
  3. Step 3: Cross multiply
    382,055.05x = 527,224.83 × 218,706.15
  4. Step 4: Simplify right side
    382,055.05x = 115,307,313,658.05
  5. Step 5: Solve for x
    x = 115,307,313,658.05/382,055.05
  6. Step 6: Final answer
    x = 301,808.11

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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.