Home / 1,114,601.49-1,538,542.49-661,889.25

Finding the Fourth Proportional to 1,114,601.49, 1,538,542.49 and 661,889.25

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Solution

The fourth proportional to 1,114,601.49, 1,538,542.49 and 661,889.25 is: 913,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,601.49 : 1,538,542.49 = 661,889.25 : x
  2. Step 2: Convert to fraction form
    1,114,601.49/1,538,542.49 = 661,889.25/x
  3. Step 3: Cross multiply
    1,114,601.49x = 1,538,542.49 × 661,889.25
  4. Step 4: Simplify right side
    1,114,601.49x = 1,018,344,731,489.79
  5. Step 5: Solve for x
    x = 1,018,344,731,489.79/1,114,601.49
  6. Step 6: Final answer
    x = 913,640.20

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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.