Home / 857,617.20-1,183,584.42-475,767

Finding the Fourth Proportional to 857,617.20, 1,183,584.42 and 475,767

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Solution

The fourth proportional to 857,617.20, 1,183,584.42 and 475,767 is: 656,598.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,617.20 : 1,183,584.42 = 475,767 : x
  2. Step 2: Convert to fraction form
    857,617.20/1,183,584.42 = 475,767/x
  3. Step 3: Cross multiply
    857,617.20x = 1,183,584.42 × 475,767
  4. Step 4: Simplify right side
    857,617.20x = 563,110,408,750.14
  5. Step 5: Solve for x
    x = 563,110,408,750.14/857,617.20
  6. Step 6: Final answer
    x = 656,598.78

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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.