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Finding the Fourth Proportional to 1,872,363.96, 2,583,856.56 and 1,012,924.02

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Solution

The fourth proportional to 1,872,363.96, 2,583,856.56 and 1,012,924.02 is: 1,397,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,363.96 : 2,583,856.56 = 1,012,924.02 : x
  2. Step 2: Convert to fraction form
    1,872,363.96/2,583,856.56 = 1,012,924.02/x
  3. Step 3: Cross multiply
    1,872,363.96x = 2,583,856.56 × 1,012,924.02
  4. Step 4: Simplify right side
    1,872,363.96x = 2,617,250,373,858.57
  5. Step 5: Solve for x
    x = 2,617,250,373,858.57/1,872,363.96
  6. Step 6: Final answer
    x = 1,397,832.06

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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.