Home / 769,723.17-1,062,215.31-430,191.42

Finding the Fourth Proportional to 769,723.17, 1,062,215.31 and 430,191.42

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Solution

The fourth proportional to 769,723.17, 1,062,215.31 and 430,191.42 is: 593,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,723.17 : 1,062,215.31 = 430,191.42 : x
  2. Step 2: Convert to fraction form
    769,723.17/1,062,215.31 = 430,191.42/x
  3. Step 3: Cross multiply
    769,723.17x = 1,062,215.31 × 430,191.42
  4. Step 4: Simplify right side
    769,723.17x = 456,955,912,554.64
  5. Step 5: Solve for x
    x = 456,955,912,554.64/769,723.17
  6. Step 6: Final answer
    x = 593,662.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.