Home / 913,416.60-1,370,211.30-248,568.60

Finding the Fourth Proportional to 913,416.60, 1,370,211.30 and 248,568.60

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Solution

The fourth proportional to 913,416.60, 1,370,211.30 and 248,568.60 is: 372,876.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,416.60 : 1,370,211.30 = 248,568.60 : x
  2. Step 2: Convert to fraction form
    913,416.60/1,370,211.30 = 248,568.60/x
  3. Step 3: Cross multiply
    913,416.60x = 1,370,211.30 × 248,568.60
  4. Step 4: Simplify right side
    913,416.60x = 340,591,504,545.18
  5. Step 5: Solve for x
    x = 340,591,504,545.18/913,416.60
  6. Step 6: Final answer
    x = 372,876.41

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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.