Home / 1,238,241.88-1,857,363.22-817,419.34

Finding the Fourth Proportional to 1,238,241.88, 1,857,363.22 and 817,419.34

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Solution

The fourth proportional to 1,238,241.88, 1,857,363.22 and 817,419.34 is: 1,226,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,241.88 : 1,857,363.22 = 817,419.34 : x
  2. Step 2: Convert to fraction form
    1,238,241.88/1,857,363.22 = 817,419.34/x
  3. Step 3: Cross multiply
    1,238,241.88x = 1,857,363.22 × 817,419.34
  4. Step 4: Simplify right side
    1,238,241.88x = 1,518,244,617,432.67
  5. Step 5: Solve for x
    x = 1,518,244,617,432.67/1,238,241.88
  6. Step 6: Final answer
    x = 1,226,129.27

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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.