Home / 382,288.56-527,496.12-212,518.32

Finding the Fourth Proportional to 382,288.56, 527,496.12 and 212,518.32

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Solution

The fourth proportional to 382,288.56, 527,496.12 and 212,518.32 is: 293,240.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,288.56 : 527,496.12 = 212,518.32 : x
  2. Step 2: Convert to fraction form
    382,288.56/527,496.12 = 212,518.32/x
  3. Step 3: Cross multiply
    382,288.56x = 527,496.12 × 212,518.32
  4. Step 4: Simplify right side
    382,288.56x = 112,102,589,228.92
  5. Step 5: Solve for x
    x = 112,102,589,228.92/382,288.56
  6. Step 6: Final answer
    x = 293,240.76

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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.