Home / 571,028.89-856,651.37-229,498.84

Finding the Fourth Proportional to 571,028.89, 856,651.37 and 229,498.84

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Solution

The fourth proportional to 571,028.89, 856,651.37 and 229,498.84 is: 344,291.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,028.89 : 856,651.37 = 229,498.84 : x
  2. Step 2: Convert to fraction form
    571,028.89/856,651.37 = 229,498.84/x
  3. Step 3: Cross multiply
    571,028.89x = 856,651.37 × 229,498.84
  4. Step 4: Simplify right side
    571,028.89x = 196,600,498,677.53
  5. Step 5: Solve for x
    x = 196,600,498,677.53/571,028.89
  6. Step 6: Final answer
    x = 344,291.69

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Half scale
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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.