Home / 627,206.64-865,552.52-340,731.24

Finding the Fourth Proportional to 627,206.64, 865,552.52 and 340,731.24

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Solution

The fourth proportional to 627,206.64, 865,552.52 and 340,731.24 is: 470,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,206.64 : 865,552.52 = 340,731.24 : x
  2. Step 2: Convert to fraction form
    627,206.64/865,552.52 = 340,731.24/x
  3. Step 3: Cross multiply
    627,206.64x = 865,552.52 × 340,731.24
  4. Step 4: Simplify right side
    627,206.64x = 294,920,783,424.73
  5. Step 5: Solve for x
    x = 294,920,783,424.73/627,206.64
  6. Step 6: Final answer
    x = 470,213.11

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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.