Home / 863,795.20-1,192,029.28-476,614.16

Finding the Fourth Proportional to 863,795.20, 1,192,029.28 and 476,614.16

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Solution

The fourth proportional to 863,795.20, 1,192,029.28 and 476,614.16 is: 657,723.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,795.20 : 1,192,029.28 = 476,614.16 : x
  2. Step 2: Convert to fraction form
    863,795.20/1,192,029.28 = 476,614.16/x
  3. Step 3: Cross multiply
    863,795.20x = 1,192,029.28 × 476,614.16
  4. Step 4: Simplify right side
    863,795.20x = 568,138,033,982.61
  5. Step 5: Solve for x
    x = 568,138,033,982.61/863,795.20
  6. Step 6: Final answer
    x = 657,723.07

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1.5x scale

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.