Home / 668,338.11-922,355.40-381,852.06

Finding the Fourth Proportional to 668,338.11, 922,355.40 and 381,852.06

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Solution

The fourth proportional to 668,338.11, 922,355.40 and 381,852.06 is: 526,983.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,338.11 : 922,355.40 = 381,852.06 : x
  2. Step 2: Convert to fraction form
    668,338.11/922,355.40 = 381,852.06/x
  3. Step 3: Cross multiply
    668,338.11x = 922,355.40 × 381,852.06
  4. Step 4: Simplify right side
    668,338.11x = 352,203,309,542.12
  5. Step 5: Solve for x
    x = 352,203,309,542.12/668,338.11
  6. Step 6: Final answer
    x = 526,983.73

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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.