Home / 922,258.24-1,383,530.40-389,781.52

Finding the Fourth Proportional to 922,258.24, 1,383,530.40 and 389,781.52

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Solution

The fourth proportional to 922,258.24, 1,383,530.40 and 389,781.52 is: 584,732.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,258.24 : 1,383,530.40 = 389,781.52 : x
  2. Step 2: Convert to fraction form
    922,258.24/1,383,530.40 = 389,781.52/x
  3. Step 3: Cross multiply
    922,258.24x = 1,383,530.40 × 389,781.52
  4. Step 4: Simplify right side
    922,258.24x = 539,274,582,278.21
  5. Step 5: Solve for x
    x = 539,274,582,278.21/922,258.24
  6. Step 6: Final answer
    x = 584,732.73

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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.