Home / 707,394.64-1,061,102.96-393,844.48

Finding the Fourth Proportional to 707,394.64, 1,061,102.96 and 393,844.48

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Solution

The fourth proportional to 707,394.64, 1,061,102.96 and 393,844.48 is: 590,772.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,394.64 : 1,061,102.96 = 393,844.48 : x
  2. Step 2: Convert to fraction form
    707,394.64/1,061,102.96 = 393,844.48/x
  3. Step 3: Cross multiply
    707,394.64x = 1,061,102.96 × 393,844.48
  4. Step 4: Simplify right side
    707,394.64x = 417,909,543,507.66
  5. Step 5: Solve for x
    x = 417,909,543,507.66/707,394.64
  6. Step 6: Final answer
    x = 590,772.84

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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.