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Finding the Fourth Proportional to 1,964,957.84, 2,946,628.24 and 750,982.85

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Solution

The fourth proportional to 1,964,957.84, 2,946,628.24 and 750,982.85 is: 1,126,165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,957.84 : 2,946,628.24 = 750,982.85 : x
  2. Step 2: Convert to fraction form
    1,964,957.84/2,946,628.24 = 750,982.85/x
  3. Step 3: Cross multiply
    1,964,957.84x = 2,946,628.24 × 750,982.85
  4. Step 4: Simplify right side
    1,964,957.84x = 2,212,867,255,077.63
  5. Step 5: Solve for x
    x = 2,212,867,255,077.63/1,964,957.84
  6. Step 6: Final answer
    x = 1,126,165.26

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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.