Home / 1,191,618.56-1,787,544.48-392,574.08

Finding the Fourth Proportional to 1,191,618.56, 1,787,544.48 and 392,574.08

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Solution

The fourth proportional to 1,191,618.56, 1,787,544.48 and 392,574.08 is: 588,899.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,618.56 : 1,787,544.48 = 392,574.08 : x
  2. Step 2: Convert to fraction form
    1,191,618.56/1,787,544.48 = 392,574.08/x
  3. Step 3: Cross multiply
    1,191,618.56x = 1,787,544.48 × 392,574.08
  4. Step 4: Simplify right side
    1,191,618.56x = 701,743,629,695.08
  5. Step 5: Solve for x
    x = 701,743,629,695.08/1,191,618.56
  6. Step 6: Final answer
    x = 588,899.55

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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.