Home / 1,103,133.13-1,522,241.94-619,778.86

Finding the Fourth Proportional to 1,103,133.13, 1,522,241.94 and 619,778.86

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Solution

The fourth proportional to 1,103,133.13, 1,522,241.94 and 619,778.86 is: 855,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,133.13 : 1,522,241.94 = 619,778.86 : x
  2. Step 2: Convert to fraction form
    1,103,133.13/1,522,241.94 = 619,778.86/x
  3. Step 3: Cross multiply
    1,103,133.13x = 1,522,241.94 × 619,778.86
  4. Step 4: Simplify right side
    1,103,133.13x = 943,453,374,217.39
  5. Step 5: Solve for x
    x = 943,453,374,217.39/1,103,133.13
  6. Step 6: Final answer
    x = 855,248.88

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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.