Home / 627,520.73-865,985.31-341,040.83

Finding the Fourth Proportional to 627,520.73, 865,985.31 and 341,040.83

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Solution

The fourth proportional to 627,520.73, 865,985.31 and 341,040.83 is: 470,639.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,520.73 : 865,985.31 = 341,040.83 : x
  2. Step 2: Convert to fraction form
    627,520.73/865,985.31 = 341,040.83/x
  3. Step 3: Cross multiply
    627,520.73x = 865,985.31 × 341,040.83
  4. Step 4: Simplify right side
    627,520.73x = 295,336,344,560.28
  5. Step 5: Solve for x
    x = 295,336,344,560.28/627,520.73
  6. Step 6: Final answer
    x = 470,639.98

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1.5x scale

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.