Home / 1,114,644.24-1,538,601.48-661,932

Finding the Fourth Proportional to 1,114,644.24, 1,538,601.48 and 661,932

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Solution

The fourth proportional to 1,114,644.24, 1,538,601.48 and 661,932 is: 913,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,644.24 : 1,538,601.48 = 661,932 : x
  2. Step 2: Convert to fraction form
    1,114,644.24/1,538,601.48 = 661,932/x
  3. Step 3: Cross multiply
    1,114,644.24x = 1,538,601.48 × 661,932
  4. Step 4: Simplify right side
    1,114,644.24x = 1,018,449,554,859.36
  5. Step 5: Solve for x
    x = 1,018,449,554,859.36/1,114,644.24
  6. Step 6: Final answer
    x = 913,699.20

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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.