Home / 664,864.31-997,296.50-166,228.31

Finding the Fourth Proportional to 664,864.31, 997,296.50 and 166,228.31

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Solution

The fourth proportional to 664,864.31, 997,296.50 and 166,228.31 is: 249,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,864.31 : 997,296.50 = 166,228.31 : x
  2. Step 2: Convert to fraction form
    664,864.31/997,296.50 = 166,228.31/x
  3. Step 3: Cross multiply
    664,864.31x = 997,296.50 × 166,228.31
  4. Step 4: Simplify right side
    664,864.31x = 165,778,913,426.02
  5. Step 5: Solve for x
    x = 165,778,913,426.02/664,864.31
  6. Step 6: Final answer
    x = 249,342.48

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Half scale
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Double scale
Find fourth proportional to 664,865.31, 997,298 and 166,229.31
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.