Home / 664,086.28-916,453.62-362,280.04

Finding the Fourth Proportional to 664,086.28, 916,453.62 and 362,280.04

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Solution

The fourth proportional to 664,086.28, 916,453.62 and 362,280.04 is: 499,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,086.28 : 916,453.62 = 362,280.04 : x
  2. Step 2: Convert to fraction form
    664,086.28/916,453.62 = 362,280.04/x
  3. Step 3: Cross multiply
    664,086.28x = 916,453.62 × 362,280.04
  4. Step 4: Simplify right side
    664,086.28x = 332,012,854,111.75
  5. Step 5: Solve for x
    x = 332,012,854,111.75/664,086.28
  6. Step 6: Final answer
    x = 499,954.39

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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.