Home / 664,863.13-997,294.69-166,227.13

Finding the Fourth Proportional to 664,863.13, 997,294.69 and 166,227.13

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Solution

The fourth proportional to 664,863.13, 997,294.69 and 166,227.13 is: 249,340.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,863.13 : 997,294.69 = 166,227.13 : x
  2. Step 2: Convert to fraction form
    664,863.13/997,294.69 = 166,227.13/x
  3. Step 3: Cross multiply
    664,863.13x = 997,294.69 × 166,227.13
  4. Step 4: Simplify right side
    664,863.13x = 165,777,429,096.47
  5. Step 5: Solve for x
    x = 165,777,429,096.47/664,863.13
  6. Step 6: Final answer
    x = 249,340.69

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Half scale
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Double scale
Find fourth proportional to 664,864.13, 997,296.19 and 166,228.13
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.