Home / 857,510.70-1,183,437.45-475,660.50

Finding the Fourth Proportional to 857,510.70, 1,183,437.45 and 475,660.50

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Solution

The fourth proportional to 857,510.70, 1,183,437.45 and 475,660.50 is: 656,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,510.70 : 1,183,437.45 = 475,660.50 : x
  2. Step 2: Convert to fraction form
    857,510.70/1,183,437.45 = 475,660.50/x
  3. Step 3: Cross multiply
    857,510.70x = 1,183,437.45 × 475,660.50
  4. Step 4: Simplify right side
    857,510.70x = 562,914,449,185.73
  5. Step 5: Solve for x
    x = 562,914,449,185.73/857,510.70
  6. Step 6: Final answer
    x = 656,451.81

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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.