Home / 754,663.88-1,131,995.82-193,698.38

Finding the Fourth Proportional to 754,663.88, 1,131,995.82 and 193,698.38

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Solution

The fourth proportional to 754,663.88, 1,131,995.82 and 193,698.38 is: 290,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,663.88 : 1,131,995.82 = 193,698.38 : x
  2. Step 2: Convert to fraction form
    754,663.88/1,131,995.82 = 193,698.38/x
  3. Step 3: Cross multiply
    754,663.88x = 1,131,995.82 × 193,698.38
  4. Step 4: Simplify right side
    754,663.88x = 219,265,756,500.77
  5. Step 5: Solve for x
    x = 219,265,756,500.77/754,663.88
  6. Step 6: Final answer
    x = 290,547.57

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Similar ratio
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1.5x scale

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.