Home / 624,131.20-936,196.80-617,910.40

Finding the Fourth Proportional to 624,131.20, 936,196.80 and 617,910.40

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Solution

The fourth proportional to 624,131.20, 936,196.80 and 617,910.40 is: 926,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,131.20 : 936,196.80 = 617,910.40 : x
  2. Step 2: Convert to fraction form
    624,131.20/936,196.80 = 617,910.40/x
  3. Step 3: Cross multiply
    624,131.20x = 936,196.80 × 617,910.40
  4. Step 4: Simplify right side
    624,131.20x = 578,485,739,166.72
  5. Step 5: Solve for x
    x = 578,485,739,166.72/624,131.20
  6. Step 6: Final answer
    x = 926,865.60

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Half scale
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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.