Home / 382,081.59-527,278.07-210,015.47

Finding the Fourth Proportional to 382,081.59, 527,278.07 and 210,015.47

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Solution

The fourth proportional to 382,081.59, 527,278.07 and 210,015.47 is: 289,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,081.59 : 527,278.07 = 210,015.47 : x
  2. Step 2: Convert to fraction form
    382,081.59/527,278.07 = 210,015.47/x
  3. Step 3: Cross multiply
    382,081.59x = 527,278.07 × 210,015.47
  4. Step 4: Simplify right side
    382,081.59x = 110,736,551,691.74
  5. Step 5: Solve for x
    x = 110,736,551,691.74/382,081.59
  6. Step 6: Final answer
    x = 289,824.36

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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.