Home / 627,078.20-940,617.30-585,087.80

Finding the Fourth Proportional to 627,078.20, 940,617.30 and 585,087.80

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Solution

The fourth proportional to 627,078.20, 940,617.30 and 585,087.80 is: 877,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,078.20 : 940,617.30 = 585,087.80 : x
  2. Step 2: Convert to fraction form
    627,078.20/940,617.30 = 585,087.80/x
  3. Step 3: Cross multiply
    627,078.20x = 940,617.30 × 585,087.80
  4. Step 4: Simplify right side
    627,078.20x = 550,343,706,698.94
  5. Step 5: Solve for x
    x = 550,343,706,698.94/627,078.20
  6. Step 6: Final answer
    x = 877,631.70

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.