Home / 619,538.28-929,307.48-220,194.84

Finding the Fourth Proportional to 619,538.28, 929,307.48 and 220,194.84

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Solution

The fourth proportional to 619,538.28, 929,307.48 and 220,194.84 is: 330,292.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,538.28 : 929,307.48 = 220,194.84 : x
  2. Step 2: Convert to fraction form
    619,538.28/929,307.48 = 220,194.84/x
  3. Step 3: Cross multiply
    619,538.28x = 929,307.48 × 220,194.84
  4. Step 4: Simplify right side
    619,538.28x = 204,628,711,869.40
  5. Step 5: Solve for x
    x = 204,628,711,869.40/619,538.28
  6. Step 6: Final answer
    x = 330,292.28

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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.