Home / 435,824.88-654,836.76-418,110.96

Finding the Fourth Proportional to 435,824.88, 654,836.76 and 418,110.96

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Solution

The fourth proportional to 435,824.88, 654,836.76 and 418,110.96 is: 628,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,824.88 : 654,836.76 = 418,110.96 : x
  2. Step 2: Convert to fraction form
    435,824.88/654,836.76 = 418,110.96/x
  3. Step 3: Cross multiply
    435,824.88x = 654,836.76 × 418,110.96
  4. Step 4: Simplify right side
    435,824.88x = 273,794,426,366.89
  5. Step 5: Solve for x
    x = 273,794,426,366.89/435,824.88
  6. Step 6: Final answer
    x = 628,221.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.