Home / 664,320.40-996,480.60-460,601.35

Finding the Fourth Proportional to 664,320.40, 996,480.60 and 460,601.35

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Solution

The fourth proportional to 664,320.40, 996,480.60 and 460,601.35 is: 690,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,320.40 : 996,480.60 = 460,601.35 : x
  2. Step 2: Convert to fraction form
    664,320.40/996,480.60 = 460,601.35/x
  3. Step 3: Cross multiply
    664,320.40x = 996,480.60 × 460,601.35
  4. Step 4: Simplify right side
    664,320.40x = 458,980,309,608.81
  5. Step 5: Solve for x
    x = 458,980,309,608.81/664,320.40
  6. Step 6: Final answer
    x = 690,902.03

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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.