Home / 816,200.70-1,224,301.05-617,135.10

Finding the Fourth Proportional to 816,200.70, 1,224,301.05 and 617,135.10

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Solution

The fourth proportional to 816,200.70, 1,224,301.05 and 617,135.10 is: 925,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,200.70 : 1,224,301.05 = 617,135.10 : x
  2. Step 2: Convert to fraction form
    816,200.70/1,224,301.05 = 617,135.10/x
  3. Step 3: Cross multiply
    816,200.70x = 1,224,301.05 × 617,135.10
  4. Step 4: Simplify right side
    816,200.70x = 755,559,150,921.86
  5. Step 5: Solve for x
    x = 755,559,150,921.86/816,200.70
  6. Step 6: Final answer
    x = 925,702.65

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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.