Home / 627,072.03-865,361.88-340,596.90

Finding the Fourth Proportional to 627,072.03, 865,361.88 and 340,596.90

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Solution

The fourth proportional to 627,072.03, 865,361.88 and 340,596.90 is: 470,025.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,072.03 : 865,361.88 = 340,596.90 : x
  2. Step 2: Convert to fraction form
    627,072.03/865,361.88 = 340,596.90/x
  3. Step 3: Cross multiply
    627,072.03x = 865,361.88 × 340,596.90
  4. Step 4: Simplify right side
    627,072.03x = 294,739,573,706.17
  5. Step 5: Solve for x
    x = 294,739,573,706.17/627,072.03
  6. Step 6: Final answer
    x = 470,025.07

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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.