Home / 841,322.54-1,262,249.36-639,883.56

Finding the Fourth Proportional to 841,322.54, 1,262,249.36 and 639,883.56

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Solution

The fourth proportional to 841,322.54, 1,262,249.36 and 639,883.56 is: 960,027.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,322.54 : 1,262,249.36 = 639,883.56 : x
  2. Step 2: Convert to fraction form
    841,322.54/1,262,249.36 = 639,883.56/x
  3. Step 3: Cross multiply
    841,322.54x = 1,262,249.36 × 639,883.56
  4. Step 4: Simplify right side
    841,322.54x = 807,692,610,885.10
  5. Step 5: Solve for x
    x = 807,692,610,885.10/841,322.54
  6. Step 6: Final answer
    x = 960,027.31

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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.