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Finding the Fourth Proportional to 1,822,563.72, 2,734,430.54 and 876,003.08

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Solution

The fourth proportional to 1,822,563.72, 2,734,430.54 and 876,003.08 is: 1,314,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822,563.72 : 2,734,430.54 = 876,003.08 : x
  2. Step 2: Convert to fraction form
    1,822,563.72/2,734,430.54 = 876,003.08/x
  3. Step 3: Cross multiply
    1,822,563.72x = 2,734,430.54 × 876,003.08
  4. Step 4: Simplify right side
    1,822,563.72x = 2,395,369,575,086.06
  5. Step 5: Solve for x
    x = 2,395,369,575,086.06/1,822,563.72
  6. Step 6: Final answer
    x = 1,314,285.78

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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.