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Finding the Fourth Proportional to 1,873,145.04, 2,584,940.40 and 1,013,705.52

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Solution

The fourth proportional to 1,873,145.04, 2,584,940.40 and 1,013,705.52 is: 1,398,913.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873,145.04 : 2,584,940.40 = 1,013,705.52 : x
  2. Step 2: Convert to fraction form
    1,873,145.04/2,584,940.40 = 1,013,705.52/x
  3. Step 3: Cross multiply
    1,873,145.04x = 2,584,940.40 × 1,013,705.52
  4. Step 4: Simplify right side
    1,873,145.04x = 2,620,368,352,351.01
  5. Step 5: Solve for x
    x = 2,620,368,352,351.01/1,873,145.04
  6. Step 6: Final answer
    x = 1,398,913.75

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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.