Home / 627,902.04-865,040.40-436,583.28

Finding the Fourth Proportional to 627,902.04, 865,040.40 and 436,583.28

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Solution

The fourth proportional to 627,902.04, 865,040.40 and 436,583.28 is: 601,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,902.04 : 865,040.40 = 436,583.28 : x
  2. Step 2: Convert to fraction form
    627,902.04/865,040.40 = 436,583.28/x
  3. Step 3: Cross multiply
    627,902.04x = 865,040.40 × 436,583.28
  4. Step 4: Simplify right side
    627,902.04x = 377,662,175,164.51
  5. Step 5: Solve for x
    x = 377,662,175,164.51/627,902.04
  6. Step 6: Final answer
    x = 601,466.71

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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.