Home / 726,255.72-1,089,381.96-346,022.28

Finding the Fourth Proportional to 726,255.72, 1,089,381.96 and 346,022.28

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Solution

The fourth proportional to 726,255.72, 1,089,381.96 and 346,022.28 is: 519,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,255.72 : 1,089,381.96 = 346,022.28 : x
  2. Step 2: Convert to fraction form
    726,255.72/1,089,381.96 = 346,022.28/x
  3. Step 3: Cross multiply
    726,255.72x = 1,089,381.96 × 346,022.28
  4. Step 4: Simplify right side
    726,255.72x = 376,950,429,590.07
  5. Step 5: Solve for x
    x = 376,950,429,590.07/726,255.72
  6. Step 6: Final answer
    x = 519,032.65

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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.