Home / 982,638.64-1,356,025.44-552,918.52

Finding the Fourth Proportional to 982,638.64, 1,356,025.44 and 552,918.52

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Solution

The fourth proportional to 982,638.64, 1,356,025.44 and 552,918.52 is: 763,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,638.64 : 1,356,025.44 = 552,918.52 : x
  2. Step 2: Convert to fraction form
    982,638.64/1,356,025.44 = 552,918.52/x
  3. Step 3: Cross multiply
    982,638.64x = 1,356,025.44 × 552,918.52
  4. Step 4: Simplify right side
    982,638.64x = 749,771,579,367.15
  5. Step 5: Solve for x
    x = 749,771,579,367.15/982,638.64
  6. Step 6: Final answer
    x = 763,018.62

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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.