Home / 627,206.38-865,552.18-340,730.98

Finding the Fourth Proportional to 627,206.38, 865,552.18 and 340,730.98

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Solution

The fourth proportional to 627,206.38, 865,552.18 and 340,730.98 is: 470,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,206.38 : 865,552.18 = 340,730.98 : x
  2. Step 2: Convert to fraction form
    627,206.38/865,552.18 = 340,730.98/x
  3. Step 3: Cross multiply
    627,206.38x = 865,552.18 × 340,730.98
  4. Step 4: Simplify right side
    627,206.38x = 294,920,440,828.88
  5. Step 5: Solve for x
    x = 294,920,440,828.88/627,206.38
  6. Step 6: Final answer
    x = 470,212.76

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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.