Home / 641,157.06-960,471.77-521,349.24

Finding the Fourth Proportional to 641,157.06, 960,471.77 and 521,349.24

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Solution

The fourth proportional to 641,157.06, 960,471.77 and 521,349.24 is: 780,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,157.06 : 960,471.77 = 521,349.24 : x
  2. Step 2: Convert to fraction form
    641,157.06/960,471.77 = 521,349.24/x
  3. Step 3: Cross multiply
    641,157.06x = 960,471.77 × 521,349.24
  4. Step 4: Simplify right side
    641,157.06x = 500,741,224,724.21
  5. Step 5: Solve for x
    x = 500,741,224,724.21/641,157.06
  6. Step 6: Final answer
    x = 780,996.20

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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.