Home / 751,274.95-1,036,757.03-407,112.23

Finding the Fourth Proportional to 751,274.95, 1,036,757.03 and 407,112.23

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Solution

The fourth proportional to 751,274.95, 1,036,757.03 and 407,112.23 is: 561,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,274.95 : 1,036,757.03 = 407,112.23 : x
  2. Step 2: Convert to fraction form
    751,274.95/1,036,757.03 = 407,112.23/x
  3. Step 3: Cross multiply
    751,274.95x = 1,036,757.03 × 407,112.23
  4. Step 4: Simplify right side
    751,274.95x = 422,076,466,451.48
  5. Step 5: Solve for x
    x = 422,076,466,451.48/751,274.95
  6. Step 6: Final answer
    x = 561,813.58

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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.