Home / 731,230.39-1,096,868.40-198,762.72

Finding the Fourth Proportional to 731,230.39, 1,096,868.40 and 198,762.72

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Solution

The fourth proportional to 731,230.39, 1,096,868.40 and 198,762.72 is: 298,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,230.39 : 1,096,868.40 = 198,762.72 : x
  2. Step 2: Convert to fraction form
    731,230.39/1,096,868.40 = 198,762.72/x
  3. Step 3: Cross multiply
    731,230.39x = 1,096,868.40 × 198,762.72
  4. Step 4: Simplify right side
    731,230.39x = 218,016,546,666.05
  5. Step 5: Solve for x
    x = 218,016,546,666.05/731,230.39
  6. Step 6: Final answer
    x = 298,150.28

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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.