Home / 762,630.59-1,143,952.67-194,012.42

Finding the Fourth Proportional to 762,630.59, 1,143,952.67 and 194,012.42

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Solution

The fourth proportional to 762,630.59, 1,143,952.67 and 194,012.42 is: 291,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,630.59 : 1,143,952.67 = 194,012.42 : x
  2. Step 2: Convert to fraction form
    762,630.59/1,143,952.67 = 194,012.42/x
  3. Step 3: Cross multiply
    762,630.59x = 1,143,952.67 × 194,012.42
  4. Step 4: Simplify right side
    762,630.59x = 221,941,020,637.43
  5. Step 5: Solve for x
    x = 221,941,020,637.43/762,630.59
  6. Step 6: Final answer
    x = 291,020.35

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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.