Home / 626,769.20-940,153.80-153,459.20

Finding the Fourth Proportional to 626,769.20, 940,153.80 and 153,459.20

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Solution

The fourth proportional to 626,769.20, 940,153.80 and 153,459.20 is: 230,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,769.20 : 940,153.80 = 153,459.20 : x
  2. Step 2: Convert to fraction form
    626,769.20/940,153.80 = 153,459.20/x
  3. Step 3: Cross multiply
    626,769.20x = 940,153.80 × 153,459.20
  4. Step 4: Simplify right side
    626,769.20x = 144,275,250,024.96
  5. Step 5: Solve for x
    x = 144,275,250,024.96/626,769.20
  6. Step 6: Final answer
    x = 230,188.80

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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.