Home / 382,934.28-528,458.58-213,179.88

Finding the Fourth Proportional to 382,934.28, 528,458.58 and 213,179.88

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Solution

The fourth proportional to 382,934.28, 528,458.58 and 213,179.88 is: 294,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,934.28 : 528,458.58 = 213,179.88 : x
  2. Step 2: Convert to fraction form
    382,934.28/528,458.58 = 213,179.88/x
  3. Step 3: Cross multiply
    382,934.28x = 528,458.58 × 213,179.88
  4. Step 4: Simplify right side
    382,934.28x = 112,656,736,669.37
  5. Step 5: Solve for x
    x = 112,656,736,669.37/382,934.28
  6. Step 6: Final answer
    x = 294,193.40

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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.