Home / 662,129.67-993,189.24-438,490.83

Finding the Fourth Proportional to 662,129.67, 993,189.24 and 438,490.83

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Solution

The fourth proportional to 662,129.67, 993,189.24 and 438,490.83 is: 657,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,129.67 : 993,189.24 = 438,490.83 : x
  2. Step 2: Convert to fraction form
    662,129.67/993,189.24 = 438,490.83/x
  3. Step 3: Cross multiply
    662,129.67x = 993,189.24 × 438,490.83
  4. Step 4: Simplify right side
    662,129.67x = 435,504,374,194.67
  5. Step 5: Solve for x
    x = 435,504,374,194.67/662,129.67
  6. Step 6: Final answer
    x = 657,732.76

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Double scale
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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.