Home / 588,869.25-812,639.61-320,597.25

Finding the Fourth Proportional to 588,869.25, 812,639.61 and 320,597.25

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Solution

The fourth proportional to 588,869.25, 812,639.61 and 320,597.25 is: 442,424.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,869.25 : 812,639.61 = 320,597.25 : x
  2. Step 2: Convert to fraction form
    588,869.25/812,639.61 = 320,597.25/x
  3. Step 3: Cross multiply
    588,869.25x = 812,639.61 × 320,597.25
  4. Step 4: Simplify right side
    588,869.25x = 260,530,024,207.07
  5. Step 5: Solve for x
    x = 260,530,024,207.07/588,869.25
  6. Step 6: Final answer
    x = 442,424.23

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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.