Home / 628,918.20-943,377.30-624,252.60

Finding the Fourth Proportional to 628,918.20, 943,377.30 and 624,252.60

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Solution

The fourth proportional to 628,918.20, 943,377.30 and 624,252.60 is: 936,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,918.20 : 943,377.30 = 624,252.60 : x
  2. Step 2: Convert to fraction form
    628,918.20/943,377.30 = 624,252.60/x
  3. Step 3: Cross multiply
    628,918.20x = 943,377.30 × 624,252.60
  4. Step 4: Simplify right side
    628,918.20x = 588,905,732,305.98
  5. Step 5: Solve for x
    x = 588,905,732,305.98/628,918.20
  6. Step 6: Final answer
    x = 936,378.90

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Double scale
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Similar ratio
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1.5x scale

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.