Home / 815,049.96-1,220,984.50-533,714.28

Finding the Fourth Proportional to 815,049.96, 1,220,984.50 and 533,714.28

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Solution

The fourth proportional to 815,049.96, 1,220,984.50 and 533,714.28 is: 799,529.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,049.96 : 1,220,984.50 = 533,714.28 : x
  2. Step 2: Convert to fraction form
    815,049.96/1,220,984.50 = 533,714.28/x
  3. Step 3: Cross multiply
    815,049.96x = 1,220,984.50 × 533,714.28
  4. Step 4: Simplify right side
    815,049.96x = 651,656,863,308.66
  5. Step 5: Solve for x
    x = 651,656,863,308.66/815,049.96
  6. Step 6: Final answer
    x = 799,529.96

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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.