Home / 664,386.45-996,583.10-165,750.45

Finding the Fourth Proportional to 664,386.45, 996,583.10 and 165,750.45

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Solution

The fourth proportional to 664,386.45, 996,583.10 and 165,750.45 is: 248,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,386.45 : 996,583.10 = 165,750.45 : x
  2. Step 2: Convert to fraction form
    664,386.45/996,583.10 = 165,750.45/x
  3. Step 3: Cross multiply
    664,386.45x = 996,583.10 × 165,750.45
  4. Step 4: Simplify right side
    664,386.45x = 165,184,096,458.64
  5. Step 5: Solve for x
    x = 165,184,096,458.64/664,386.45
  6. Step 6: Final answer
    x = 248,626.53

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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.