Home / 563,669.90-843,536.55-394,396.10

Finding the Fourth Proportional to 563,669.90, 843,536.55 and 394,396.10

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Solution

The fourth proportional to 563,669.90, 843,536.55 and 394,396.10 is: 590,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,669.90 : 843,536.55 = 394,396.10 : x
  2. Step 2: Convert to fraction form
    563,669.90/843,536.55 = 394,396.10/x
  3. Step 3: Cross multiply
    563,669.90x = 843,536.55 × 394,396.10
  4. Step 4: Simplify right side
    563,669.90x = 332,687,525,527.46
  5. Step 5: Solve for x
    x = 332,687,525,527.46/563,669.90
  6. Step 6: Final answer
    x = 590,216.94

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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.