Home / 1,119,720.11-1,680,550.73-587,617.07

Finding the Fourth Proportional to 1,119,720.11, 1,680,550.73 and 587,617.07

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Solution

The fourth proportional to 1,119,720.11, 1,680,550.73 and 587,617.07 is: 881,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,720.11 : 1,680,550.73 = 587,617.07 : x
  2. Step 2: Convert to fraction form
    1,119,720.11/1,680,550.73 = 587,617.07/x
  3. Step 3: Cross multiply
    1,119,720.11x = 1,680,550.73 × 587,617.07
  4. Step 4: Simplify right side
    1,119,720.11x = 987,520,293,010.88
  5. Step 5: Solve for x
    x = 987,520,293,010.88/1,119,720.11
  6. Step 6: Final answer
    x = 881,934.94

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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.