Home / 809,734.70-1,215,336.45-410,653.10

Finding the Fourth Proportional to 809,734.70, 1,215,336.45 and 410,653.10

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Solution

The fourth proportional to 809,734.70, 1,215,336.45 and 410,653.10 is: 616,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,734.70 : 1,215,336.45 = 410,653.10 : x
  2. Step 2: Convert to fraction form
    809,734.70/1,215,336.45 = 410,653.10/x
  3. Step 3: Cross multiply
    809,734.70x = 1,215,336.45 × 410,653.10
  4. Step 4: Simplify right side
    809,734.70x = 499,081,680,735.50
  5. Step 5: Solve for x
    x = 499,081,680,735.50/809,734.70
  6. Step 6: Final answer
    x = 616,352.10

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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.