Home / 621,326.23-931,991.78-189,048

Finding the Fourth Proportional to 621,326.23, 931,991.78 and 189,048

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Solution

The fourth proportional to 621,326.23, 931,991.78 and 189,048 is: 283,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,326.23 : 931,991.78 = 189,048 : x
  2. Step 2: Convert to fraction form
    621,326.23/931,991.78 = 189,048/x
  3. Step 3: Cross multiply
    621,326.23x = 931,991.78 × 189,048
  4. Step 4: Simplify right side
    621,326.23x = 176,191,182,025.44
  5. Step 5: Solve for x
    x = 176,191,182,025.44/621,326.23
  6. Step 6: Final answer
    x = 283,572.74

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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.