Home / 864,047.93-1,192,453.19-476,939.21

Finding the Fourth Proportional to 864,047.93, 1,192,453.19 and 476,939.21

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Solution

The fourth proportional to 864,047.93, 1,192,453.19 and 476,939.21 is: 658,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,047.93 : 1,192,453.19 = 476,939.21 : x
  2. Step 2: Convert to fraction form
    864,047.93/1,192,453.19 = 476,939.21/x
  3. Step 3: Cross multiply
    864,047.93x = 1,192,453.19 × 476,939.21
  4. Step 4: Simplify right side
    864,047.93x = 568,727,674,053.62
  5. Step 5: Solve for x
    x = 568,727,674,053.62/864,047.93
  6. Step 6: Final answer
    x = 658,213.11

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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.