Home / 627,206.13-865,551.83-340,730.73

Finding the Fourth Proportional to 627,206.13, 865,551.83 and 340,730.73

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Solution

The fourth proportional to 627,206.13, 865,551.83 and 340,730.73 is: 470,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,206.13 : 865,551.83 = 340,730.73 : x
  2. Step 2: Convert to fraction form
    627,206.13/865,551.83 = 340,730.73/x
  3. Step 3: Cross multiply
    627,206.13x = 865,551.83 × 340,730.73
  4. Step 4: Simplify right side
    627,206.13x = 294,920,105,185.08
  5. Step 5: Solve for x
    x = 294,920,105,185.08/627,206.13
  6. Step 6: Final answer
    x = 470,212.41

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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.