Home / 842,965.11-1,163,398.12-552,820.68

Finding the Fourth Proportional to 842,965.11, 1,163,398.12 and 552,820.68

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Solution

The fourth proportional to 842,965.11, 1,163,398.12 and 552,820.68 is: 762,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,965.11 : 1,163,398.12 = 552,820.68 : x
  2. Step 2: Convert to fraction form
    842,965.11/1,163,398.12 = 552,820.68/x
  3. Step 3: Cross multiply
    842,965.11x = 1,163,398.12 × 552,820.68
  4. Step 4: Simplify right side
    842,965.11x = 643,150,538,427.07
  5. Step 5: Solve for x
    x = 643,150,538,427.07/842,965.11
  6. Step 6: Final answer
    x = 762,962.23

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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.