Home / 382,369.11-527,666.18-212,601.75

Finding the Fourth Proportional to 382,369.11, 527,666.18 and 212,601.75

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Solution

The fourth proportional to 382,369.11, 527,666.18 and 212,601.75 is: 293,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,369.11 : 527,666.18 = 212,601.75 : x
  2. Step 2: Convert to fraction form
    382,369.11/527,666.18 = 212,601.75/x
  3. Step 3: Cross multiply
    382,369.11x = 527,666.18 × 212,601.75
  4. Step 4: Simplify right side
    382,369.11x = 112,182,752,220.81
  5. Step 5: Solve for x
    x = 112,182,752,220.81/382,369.11
  6. Step 6: Final answer
    x = 293,388.64

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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.