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Finding the Fourth Proportional to 796,706.10, 1,100,853.05 and 636,880.14

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Solution

The fourth proportional to 796,706.10, 1,100,853.05 and 636,880.14 is: 880,012.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,706.10 : 1,100,853.05 = 636,880.14 : x
  2. Step 2: Convert to fraction form
    796,706.10/1,100,853.05 = 636,880.14/x
  3. Step 3: Cross multiply
    796,706.10x = 1,100,853.05 × 636,880.14
  4. Step 4: Simplify right side
    796,706.10x = 701,111,441,419.03
  5. Step 5: Solve for x
    x = 701,111,441,419.03/796,706.10
  6. Step 6: Final answer
    x = 880,012.64

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Double scale
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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.