Home / 911,099.43-1,366,815.23-455,928.69

Finding the Fourth Proportional to 911,099.43, 1,366,815.23 and 455,928.69

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Solution

The fourth proportional to 911,099.43, 1,366,815.23 and 455,928.69 is: 683,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,099.43 : 1,366,815.23 = 455,928.69 : x
  2. Step 2: Convert to fraction form
    911,099.43/1,366,815.23 = 455,928.69/x
  3. Step 3: Cross multiply
    911,099.43x = 1,366,815.23 × 455,928.69
  4. Step 4: Simplify right side
    911,099.43x = 623,170,275,006.31
  5. Step 5: Solve for x
    x = 623,170,275,006.31/911,099.43
  6. Step 6: Final answer
    x = 683,976.14

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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.