Home / 815,177.75-1,124,980.43-452,601.62

Finding the Fourth Proportional to 815,177.75, 1,124,980.43 and 452,601.62

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Solution

The fourth proportional to 815,177.75, 1,124,980.43 and 452,601.62 is: 624,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,177.75 : 1,124,980.43 = 452,601.62 : x
  2. Step 2: Convert to fraction form
    815,177.75/1,124,980.43 = 452,601.62/x
  3. Step 3: Cross multiply
    815,177.75x = 1,124,980.43 × 452,601.62
  4. Step 4: Simplify right side
    815,177.75x = 509,167,957,198.39
  5. Step 5: Solve for x
    x = 509,167,957,198.39/815,177.75
  6. Step 6: Final answer
    x = 624,609.74

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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.