Home / 643,600.22-965,556.40-194,294.26

Finding the Fourth Proportional to 643,600.22, 965,556.40 and 194,294.26

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Solution

The fourth proportional to 643,600.22, 965,556.40 and 194,294.26 is: 291,488.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,600.22 : 965,556.40 = 194,294.26 : x
  2. Step 2: Convert to fraction form
    643,600.22/965,556.40 = 194,294.26/x
  3. Step 3: Cross multiply
    643,600.22x = 965,556.40 × 194,294.26
  4. Step 4: Simplify right side
    643,600.22x = 187,602,066,226.26
  5. Step 5: Solve for x
    x = 187,602,066,226.26/643,600.22
  6. Step 6: Final answer
    x = 291,488.51

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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.