Home / 691,308.36-1,036,957.66-192,672.36

Finding the Fourth Proportional to 691,308.36, 1,036,957.66 and 192,672.36

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Solution

The fourth proportional to 691,308.36, 1,036,957.66 and 192,672.36 is: 289,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,308.36 : 1,036,957.66 = 192,672.36 : x
  2. Step 2: Convert to fraction form
    691,308.36/1,036,957.66 = 192,672.36/x
  3. Step 3: Cross multiply
    691,308.36x = 1,036,957.66 × 192,672.36
  4. Step 4: Simplify right side
    691,308.36x = 199,793,079,572.28
  5. Step 5: Solve for x
    x = 199,793,079,572.28/691,308.36
  6. Step 6: Final answer
    x = 289,007.18

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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.