Home / 1,119,720.86-1,680,551.85-587,617.82

Finding the Fourth Proportional to 1,119,720.86, 1,680,551.85 and 587,617.82

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Solution

The fourth proportional to 1,119,720.86, 1,680,551.85 and 587,617.82 is: 881,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,720.86 : 1,680,551.85 = 587,617.82 : x
  2. Step 2: Convert to fraction form
    1,119,720.86/1,680,551.85 = 587,617.82/x
  3. Step 3: Cross multiply
    1,119,720.86x = 1,680,551.85 × 587,617.82
  4. Step 4: Simplify right side
    1,119,720.86x = 987,522,214,493.97
  5. Step 5: Solve for x
    x = 987,522,214,493.97/1,119,720.86
  6. Step 6: Final answer
    x = 881,936.07

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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.