Home / 621,327.23-931,993.28-189,049

Finding the Fourth Proportional to 621,327.23, 931,993.28 and 189,049

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Solution

The fourth proportional to 621,327.23, 931,993.28 and 189,049 is: 283,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,327.23 : 931,993.28 = 189,049 : x
  2. Step 2: Convert to fraction form
    621,327.23/931,993.28 = 189,049/x
  3. Step 3: Cross multiply
    621,327.23x = 931,993.28 × 189,049
  4. Step 4: Simplify right side
    621,327.23x = 176,192,397,590.72
  5. Step 5: Solve for x
    x = 176,192,397,590.72/621,327.23
  6. Step 6: Final answer
    x = 283,574.24

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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.