Home / 1,252,588.20-1,728,657.18-708,723.96

Finding the Fourth Proportional to 1,252,588.20, 1,728,657.18 and 708,723.96

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Solution

The fourth proportional to 1,252,588.20, 1,728,657.18 and 708,723.96 is: 978,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,588.20 : 1,728,657.18 = 708,723.96 : x
  2. Step 2: Convert to fraction form
    1,252,588.20/1,728,657.18 = 708,723.96/x
  3. Step 3: Cross multiply
    1,252,588.20x = 1,728,657.18 × 708,723.96
  4. Step 4: Simplify right side
    1,252,588.20x = 1,225,140,762,092.03
  5. Step 5: Solve for x
    x = 1,225,140,762,092.03/1,252,588.20
  6. Step 6: Final answer
    x = 978,087.42

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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.