Home / 864,310.74-1,192,741.92-501,768.24

Finding the Fourth Proportional to 864,310.74, 1,192,741.92 and 501,768.24

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Solution

The fourth proportional to 864,310.74, 1,192,741.92 and 501,768.24 is: 692,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,310.74 : 1,192,741.92 = 501,768.24 : x
  2. Step 2: Convert to fraction form
    864,310.74/1,192,741.92 = 501,768.24/x
  3. Step 3: Cross multiply
    864,310.74x = 1,192,741.92 × 501,768.24
  4. Step 4: Simplify right side
    864,310.74x = 598,480,013,972.62
  5. Step 5: Solve for x
    x = 598,480,013,972.62/864,310.74
  6. Step 6: Final answer
    x = 692,436.16

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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.