Home / 1,191,862.56-1,787,231.88-433,170.36

Finding the Fourth Proportional to 1,191,862.56, 1,787,231.88 and 433,170.36

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Solution

The fourth proportional to 1,191,862.56, 1,787,231.88 and 433,170.36 is: 649,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,862.56 : 1,787,231.88 = 433,170.36 : x
  2. Step 2: Convert to fraction form
    1,191,862.56/1,787,231.88 = 433,170.36/x
  3. Step 3: Cross multiply
    1,191,862.56x = 1,787,231.88 × 433,170.36
  4. Step 4: Simplify right side
    1,191,862.56x = 774,175,876,863.08
  5. Step 5: Solve for x
    x = 774,175,876,863.08/1,191,862.56
  6. Step 6: Final answer
    x = 649,551.30

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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.