Home / 706,183.20-1,057,892.40-424,864.80

Finding the Fourth Proportional to 706,183.20, 1,057,892.40 and 424,864.80

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Solution

The fourth proportional to 706,183.20, 1,057,892.40 and 424,864.80 is: 636,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,183.20 : 1,057,892.40 = 424,864.80 : x
  2. Step 2: Convert to fraction form
    706,183.20/1,057,892.40 = 424,864.80/x
  3. Step 3: Cross multiply
    706,183.20x = 1,057,892.40 × 424,864.80
  4. Step 4: Simplify right side
    706,183.20x = 449,461,242,947.52
  5. Step 5: Solve for x
    x = 449,461,242,947.52/706,183.20
  6. Step 6: Final answer
    x = 636,465.50

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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.