Home / 531,742.80-797,844.60-251,115.60

Finding the Fourth Proportional to 531,742.80, 797,844.60 and 251,115.60

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Solution

The fourth proportional to 531,742.80, 797,844.60 and 251,115.60 is: 376,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,742.80 : 797,844.60 = 251,115.60 : x
  2. Step 2: Convert to fraction form
    531,742.80/797,844.60 = 251,115.60/x
  3. Step 3: Cross multiply
    531,742.80x = 797,844.60 × 251,115.60
  4. Step 4: Simplify right side
    531,742.80x = 200,351,225,435.76
  5. Step 5: Solve for x
    x = 200,351,225,435.76/531,742.80
  6. Step 6: Final answer
    x = 376,782.21

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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.