Home / 706,227.20-1,057,958.40-424,908.80

Finding the Fourth Proportional to 706,227.20, 1,057,958.40 and 424,908.80

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Solution

The fourth proportional to 706,227.20, 1,057,958.40 and 424,908.80 is: 636,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,227.20 : 1,057,958.40 = 424,908.80 : x
  2. Step 2: Convert to fraction form
    706,227.20/1,057,958.40 = 424,908.80/x
  3. Step 3: Cross multiply
    706,227.20x = 1,057,958.40 × 424,908.80
  4. Step 4: Simplify right side
    706,227.20x = 449,535,834,193.92
  5. Step 5: Solve for x
    x = 449,535,834,193.92/706,227.20
  6. Step 6: Final answer
    x = 636,531.46

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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.