Home / 628,335.85-867,112.35-341,856.17

Finding the Fourth Proportional to 628,335.85, 867,112.35 and 341,856.17

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Solution

The fourth proportional to 628,335.85, 867,112.35 and 341,856.17 is: 471,766.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,335.85 : 867,112.35 = 341,856.17 : x
  2. Step 2: Convert to fraction form
    628,335.85/867,112.35 = 341,856.17/x
  3. Step 3: Cross multiply
    628,335.85x = 867,112.35 × 341,856.17
  4. Step 4: Simplify right side
    628,335.85x = 296,427,706,930.70
  5. Step 5: Solve for x
    x = 296,427,706,930.70/628,335.85
  6. Step 6: Final answer
    x = 471,766.34

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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.