Home / 919,858.50-1,269,424.17-517,450.50

Finding the Fourth Proportional to 919,858.50, 1,269,424.17 and 517,450.50

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Solution

The fourth proportional to 919,858.50, 1,269,424.17 and 517,450.50 is: 714,092.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,858.50 : 1,269,424.17 = 517,450.50 : x
  2. Step 2: Convert to fraction form
    919,858.50/1,269,424.17 = 517,450.50/x
  3. Step 3: Cross multiply
    919,858.50x = 1,269,424.17 × 517,450.50
  4. Step 4: Simplify right side
    919,858.50x = 656,864,171,478.59
  5. Step 5: Solve for x
    x = 656,864,171,478.59/919,858.50
  6. Step 6: Final answer
    x = 714,092.63

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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.