Home / 382,395.60-527,636.70-216,824.04

Finding the Fourth Proportional to 382,395.60, 527,636.70 and 216,824.04

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Solution

The fourth proportional to 382,395.60, 527,636.70 and 216,824.04 is: 299,177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,395.60 : 527,636.70 = 216,824.04 : x
  2. Step 2: Convert to fraction form
    382,395.60/527,636.70 = 216,824.04/x
  3. Step 3: Cross multiply
    382,395.60x = 527,636.70 × 216,824.04
  4. Step 4: Simplify right side
    382,395.60x = 114,404,320,946.27
  5. Step 5: Solve for x
    x = 114,404,320,946.27/382,395.60
  6. Step 6: Final answer
    x = 299,177.92

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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.