Home / 627,432.94-865,862.22-340,954.17

Finding the Fourth Proportional to 627,432.94, 865,862.22 and 340,954.17

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Solution

The fourth proportional to 627,432.94, 865,862.22 and 340,954.17 is: 470,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,432.94 : 865,862.22 = 340,954.17 : x
  2. Step 2: Convert to fraction form
    627,432.94/865,862.22 = 340,954.17/x
  3. Step 3: Cross multiply
    627,432.94x = 865,862.22 × 340,954.17
  4. Step 4: Simplify right side
    627,432.94x = 295,219,334,554.46
  5. Step 5: Solve for x
    x = 295,219,334,554.46/627,432.94
  6. Step 6: Final answer
    x = 470,519.34

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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.