Home / 702,179.72-1,053,860.30-657,892.92

Finding the Fourth Proportional to 702,179.72, 1,053,860.30 and 657,892.92

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Solution

The fourth proportional to 702,179.72, 1,053,860.30 and 657,892.92 is: 987,392.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,179.72 : 1,053,860.30 = 657,892.92 : x
  2. Step 2: Convert to fraction form
    702,179.72/1,053,860.30 = 657,892.92/x
  3. Step 3: Cross multiply
    702,179.72x = 1,053,860.30 × 657,892.92
  4. Step 4: Simplify right side
    702,179.72x = 693,327,230,039.08
  5. Step 5: Solve for x
    x = 693,327,230,039.08/702,179.72
  6. Step 6: Final answer
    x = 987,392.84

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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.