Home / 627,476.63-865,923.30-340,996.73

Finding the Fourth Proportional to 627,476.63, 865,923.30 and 340,996.73

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Solution

The fourth proportional to 627,476.63, 865,923.30 and 340,996.73 is: 470,578.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,476.63 : 865,923.30 = 340,996.73 : x
  2. Step 2: Convert to fraction form
    627,476.63/865,923.30 = 340,996.73/x
  3. Step 3: Cross multiply
    627,476.63x = 865,923.30 × 340,996.73
  4. Step 4: Simplify right side
    627,476.63x = 295,277,009,401.19
  5. Step 5: Solve for x
    x = 295,277,009,401.19/627,476.63
  6. Step 6: Final answer
    x = 470,578.50

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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.