Home / 1,331,840.50-1,997,762.67-543,872.50

Finding the Fourth Proportional to 1,331,840.50, 1,997,762.67 and 543,872.50

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Solution

The fourth proportional to 1,331,840.50, 1,997,762.67 and 543,872.50 is: 815,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,840.50 : 1,997,762.67 = 543,872.50 : x
  2. Step 2: Convert to fraction form
    1,331,840.50/1,997,762.67 = 543,872.50/x
  3. Step 3: Cross multiply
    1,331,840.50x = 1,997,762.67 × 543,872.50
  4. Step 4: Simplify right side
    1,331,840.50x = 1,086,528,177,739.58
  5. Step 5: Solve for x
    x = 1,086,528,177,739.58/1,331,840.50
  6. Step 6: Final answer
    x = 815,809.53

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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.