Home / 664,864.56-997,296.87-166,228.56

Finding the Fourth Proportional to 664,864.56, 997,296.87 and 166,228.56

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Solution

The fourth proportional to 664,864.56, 997,296.87 and 166,228.56 is: 249,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,864.56 : 997,296.87 = 166,228.56 : x
  2. Step 2: Convert to fraction form
    664,864.56/997,296.87 = 166,228.56/x
  3. Step 3: Cross multiply
    664,864.56x = 997,296.87 × 166,228.56
  4. Step 4: Simplify right side
    664,864.56x = 165,779,222,592.61
  5. Step 5: Solve for x
    x = 165,779,222,592.61/664,864.56
  6. Step 6: Final answer
    x = 249,342.85

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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.