Home / 1,293,093.68-1,939,801.55-440,099.78

Finding the Fourth Proportional to 1,293,093.68, 1,939,801.55 and 440,099.78

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Solution

The fourth proportional to 1,293,093.68, 1,939,801.55 and 440,099.78 is: 660,204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,093.68 : 1,939,801.55 = 440,099.78 : x
  2. Step 2: Convert to fraction form
    1,293,093.68/1,939,801.55 = 440,099.78/x
  3. Step 3: Cross multiply
    1,293,093.68x = 1,939,801.55 × 440,099.78
  4. Step 4: Simplify right side
    1,293,093.68x = 853,706,223,499.15
  5. Step 5: Solve for x
    x = 853,706,223,499.15/1,293,093.68
  6. Step 6: Final answer
    x = 660,204.47

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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.