Home / 622,199.45-858,717.10-350,320.34

Finding the Fourth Proportional to 622,199.45, 858,717.10 and 350,320.34

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Solution

The fourth proportional to 622,199.45, 858,717.10 and 350,320.34 is: 483,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,199.45 : 858,717.10 = 350,320.34 : x
  2. Step 2: Convert to fraction form
    622,199.45/858,717.10 = 350,320.34/x
  3. Step 3: Cross multiply
    622,199.45x = 858,717.10 × 350,320.34
  4. Step 4: Simplify right side
    622,199.45x = 300,826,067,049.96
  5. Step 5: Solve for x
    x = 300,826,067,049.96/622,199.45
  6. Step 6: Final answer
    x = 483,488.16

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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.