Home / 722,376.51-996,877.09-416,451.43

Finding the Fourth Proportional to 722,376.51, 996,877.09 and 416,451.43

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Solution

The fourth proportional to 722,376.51, 996,877.09 and 416,451.43 is: 574,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,376.51 : 996,877.09 = 416,451.43 : x
  2. Step 2: Convert to fraction form
    722,376.51/996,877.09 = 416,451.43/x
  3. Step 3: Cross multiply
    722,376.51x = 996,877.09 × 416,451.43
  4. Step 4: Simplify right side
    722,376.51x = 415,150,889,664.74
  5. Step 5: Solve for x
    x = 415,150,889,664.74/722,376.51
  6. Step 6: Final answer
    x = 574,701.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.