Home / 1,191,627.74-1,787,551.77-338,717.18

Finding the Fourth Proportional to 1,191,627.74, 1,787,551.77 and 338,717.18

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Solution

The fourth proportional to 1,191,627.74, 1,787,551.77 and 338,717.18 is: 508,107.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,627.74 : 1,787,551.77 = 338,717.18 : x
  2. Step 2: Convert to fraction form
    1,191,627.74/1,787,551.77 = 338,717.18/x
  3. Step 3: Cross multiply
    1,191,627.74x = 1,787,551.77 × 338,717.18
  4. Step 4: Simplify right side
    1,191,627.74x = 605,474,485,700.65
  5. Step 5: Solve for x
    x = 605,474,485,700.65/1,191,627.74
  6. Step 6: Final answer
    x = 508,107.08

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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.