Home / 688,198.92-1,032,123.06-214,932.12

Finding the Fourth Proportional to 688,198.92, 1,032,123.06 and 214,932.12

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Solution

The fourth proportional to 688,198.92, 1,032,123.06 and 214,932.12 is: 322,343.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,198.92 : 1,032,123.06 = 214,932.12 : x
  2. Step 2: Convert to fraction form
    688,198.92/1,032,123.06 = 214,932.12/x
  3. Step 3: Cross multiply
    688,198.92x = 1,032,123.06 × 214,932.12
  4. Step 4: Simplify right side
    688,198.92x = 221,836,397,386.69
  5. Step 5: Solve for x
    x = 221,836,397,386.69/688,198.92
  6. Step 6: Final answer
    x = 322,343.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.