Home / 382,048.12-527,215.98-212,277.88

Finding the Fourth Proportional to 382,048.12, 527,215.98 and 212,277.88

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Solution

The fourth proportional to 382,048.12, 527,215.98 and 212,277.88 is: 292,937.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,048.12 : 527,215.98 = 212,277.88 : x
  2. Step 2: Convert to fraction form
    382,048.12/527,215.98 = 212,277.88/x
  3. Step 3: Cross multiply
    382,048.12x = 527,215.98 × 212,277.88
  4. Step 4: Simplify right side
    382,048.12x = 111,916,290,536.52
  5. Step 5: Solve for x
    x = 111,916,290,536.52/382,048.12
  6. Step 6: Final answer
    x = 292,937.68

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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.