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Finding the Fourth Proportional to 1,843,757.64, 2,544,552.63 and 1,118,789.01

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Solution

The fourth proportional to 1,843,757.64, 2,544,552.63 and 1,118,789.01 is: 1,544,030.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,757.64 : 2,544,552.63 = 1,118,789.01 : x
  2. Step 2: Convert to fraction form
    1,843,757.64/2,544,552.63 = 1,118,789.01/x
  3. Step 3: Cross multiply
    1,843,757.64x = 2,544,552.63 × 1,118,789.01
  4. Step 4: Simplify right side
    1,843,757.64x = 2,846,817,517,810.60
  5. Step 5: Solve for x
    x = 2,846,817,517,810.60/1,843,757.64
  6. Step 6: Final answer
    x = 1,544,030.22

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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.