Home / 830,514.30-1,245,771.45-564,793.80

Finding the Fourth Proportional to 830,514.30, 1,245,771.45 and 564,793.80

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Solution

The fourth proportional to 830,514.30, 1,245,771.45 and 564,793.80 is: 847,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,514.30 : 1,245,771.45 = 564,793.80 : x
  2. Step 2: Convert to fraction form
    830,514.30/1,245,771.45 = 564,793.80/x
  3. Step 3: Cross multiply
    830,514.30x = 1,245,771.45 × 564,793.80
  4. Step 4: Simplify right side
    830,514.30x = 703,603,991,177.01
  5. Step 5: Solve for x
    x = 703,603,991,177.01/830,514.30
  6. Step 6: Final answer
    x = 847,190.70

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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.