Home / 762,628.75-1,143,949.82-194,010.45

Finding the Fourth Proportional to 762,628.75, 1,143,949.82 and 194,010.45

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Solution

The fourth proportional to 762,628.75, 1,143,949.82 and 194,010.45 is: 291,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,628.75 : 1,143,949.82 = 194,010.45 : x
  2. Step 2: Convert to fraction form
    762,628.75/1,143,949.82 = 194,010.45/x
  3. Step 3: Cross multiply
    762,628.75x = 1,143,949.82 × 194,010.45
  4. Step 4: Simplify right side
    762,628.75x = 221,938,215,550.83
  5. Step 5: Solve for x
    x = 221,938,215,550.83/762,628.75
  6. Step 6: Final answer
    x = 291,017.37

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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.