Home / 691,111.58-1,036,597.29-185,606.88

Finding the Fourth Proportional to 691,111.58, 1,036,597.29 and 185,606.88

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Solution

The fourth proportional to 691,111.58, 1,036,597.29 and 185,606.88 is: 278,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,111.58 : 1,036,597.29 = 185,606.88 : x
  2. Step 2: Convert to fraction form
    691,111.58/1,036,597.29 = 185,606.88/x
  3. Step 3: Cross multiply
    691,111.58x = 1,036,597.29 × 185,606.88
  4. Step 4: Simplify right side
    691,111.58x = 192,399,588,813.36
  5. Step 5: Solve for x
    x = 192,399,588,813.36/691,111.58
  6. Step 6: Final answer
    x = 278,391.50

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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.