Home / 664,867.80-997,301.67-166,231.80

Finding the Fourth Proportional to 664,867.80, 997,301.67 and 166,231.80

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Solution

The fourth proportional to 664,867.80, 997,301.67 and 166,231.80 is: 249,347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,867.80 : 997,301.67 = 166,231.80 : x
  2. Step 2: Convert to fraction form
    664,867.80/997,301.67 = 166,231.80/x
  3. Step 3: Cross multiply
    664,867.80x = 997,301.67 × 166,231.80
  4. Step 4: Simplify right side
    664,867.80x = 165,783,251,747.11
  5. Step 5: Solve for x
    x = 165,783,251,747.11/664,867.80
  6. Step 6: Final answer
    x = 249,347.69

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Half scale
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Double scale
Find fourth proportional to 664,868.80, 997,303.17 and 166,232.80
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.