Home / 834,942.68-1,153,039.42-577,479.32

Finding the Fourth Proportional to 834,942.68, 1,153,039.42 and 577,479.32

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Solution

The fourth proportional to 834,942.68, 1,153,039.42 and 577,479.32 is: 797,487.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,942.68 : 1,153,039.42 = 577,479.32 : x
  2. Step 2: Convert to fraction form
    834,942.68/1,153,039.42 = 577,479.32/x
  3. Step 3: Cross multiply
    834,942.68x = 1,153,039.42 × 577,479.32
  4. Step 4: Simplify right side
    834,942.68x = 665,856,420,194.79
  5. Step 5: Solve for x
    x = 665,856,420,194.79/834,942.68
  6. Step 6: Final answer
    x = 797,487.58

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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.