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Finding the Fourth Proportional to 1,705,962.94, 2,558,895.12 and 694,834.88

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Solution

The fourth proportional to 1,705,962.94, 2,558,895.12 and 694,834.88 is: 1,042,232.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,962.94 : 2,558,895.12 = 694,834.88 : x
  2. Step 2: Convert to fraction form
    1,705,962.94/2,558,895.12 = 694,834.88/x
  3. Step 3: Cross multiply
    1,705,962.94x = 2,558,895.12 × 694,834.88
  4. Step 4: Simplify right side
    1,705,962.94x = 1,778,009,570,843.31
  5. Step 5: Solve for x
    x = 1,778,009,570,843.31/1,705,962.94
  6. Step 6: Final answer
    x = 1,042,232.24

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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.