Home / 936,190.82-1,404,349.10-328,905.30

Finding the Fourth Proportional to 936,190.82, 1,404,349.10 and 328,905.30

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Solution

The fourth proportional to 936,190.82, 1,404,349.10 and 328,905.30 is: 493,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,190.82 : 1,404,349.10 = 328,905.30 : x
  2. Step 2: Convert to fraction form
    936,190.82/1,404,349.10 = 328,905.30/x
  3. Step 3: Cross multiply
    936,190.82x = 1,404,349.10 × 328,905.30
  4. Step 4: Simplify right side
    936,190.82x = 461,897,862,040.23
  5. Step 5: Solve for x
    x = 461,897,862,040.23/936,190.82
  6. Step 6: Final answer
    x = 493,380.04

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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.