Home / 816,114.20-1,224,171.30-617,048.60

Finding the Fourth Proportional to 816,114.20, 1,224,171.30 and 617,048.60

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Solution

The fourth proportional to 816,114.20, 1,224,171.30 and 617,048.60 is: 925,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,114.20 : 1,224,171.30 = 617,048.60 : x
  2. Step 2: Convert to fraction form
    816,114.20/1,224,171.30 = 617,048.60/x
  3. Step 3: Cross multiply
    816,114.20x = 1,224,171.30 × 617,048.60
  4. Step 4: Simplify right side
    816,114.20x = 755,373,186,825.18
  5. Step 5: Solve for x
    x = 755,373,186,825.18/816,114.20
  6. Step 6: Final answer
    x = 925,572.90

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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.