Home / 1,274,403.83-1,757,781.89-838,682.35

Finding the Fourth Proportional to 1,274,403.83, 1,757,781.89 and 838,682.35

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Solution

The fourth proportional to 1,274,403.83, 1,757,781.89 and 838,682.35 is: 1,156,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,403.83 : 1,757,781.89 = 838,682.35 : x
  2. Step 2: Convert to fraction form
    1,274,403.83/1,757,781.89 = 838,682.35/x
  3. Step 3: Cross multiply
    1,274,403.83x = 1,757,781.89 × 838,682.35
  4. Step 4: Simplify right side
    1,274,403.83x = 1,474,220,637,503.73
  5. Step 5: Solve for x
    x = 1,474,220,637,503.73/1,274,403.83
  6. Step 6: Final answer
    x = 1,156,792.38

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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.