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Finding the Fourth Proportional to 1,999,935.64, 2,759,843.08 and 1,140,774.04

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Solution

The fourth proportional to 1,999,935.64, 2,759,843.08 and 1,140,774.04 is: 1,574,229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,935.64 : 2,759,843.08 = 1,140,774.04 : x
  2. Step 2: Convert to fraction form
    1,999,935.64/2,759,843.08 = 1,140,774.04/x
  3. Step 3: Cross multiply
    1,999,935.64x = 2,759,843.08 × 1,140,774.04
  4. Step 4: Simplify right side
    1,999,935.64x = 3,148,357,340,137.64
  5. Step 5: Solve for x
    x = 3,148,357,340,137.64/1,999,935.64
  6. Step 6: Final answer
    x = 1,574,229.33

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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.