Home / 864,558.17-1,296,610.88-257,182.83

Finding the Fourth Proportional to 864,558.17, 1,296,610.88 and 257,182.83

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Solution

The fourth proportional to 864,558.17, 1,296,610.88 and 257,182.83 is: 385,706.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,558.17 : 1,296,610.88 = 257,182.83 : x
  2. Step 2: Convert to fraction form
    864,558.17/1,296,610.88 = 257,182.83/x
  3. Step 3: Cross multiply
    864,558.17x = 1,296,610.88 × 257,182.83
  4. Step 4: Simplify right side
    864,558.17x = 333,466,056,170.15
  5. Step 5: Solve for x
    x = 333,466,056,170.15/864,558.17
  6. Step 6: Final answer
    x = 385,706.91

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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.