Home / 621,325.23-931,990.28-189,047.00

Finding the Fourth Proportional to 621,325.23, 931,990.28 and 189,047.00

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Solution

The fourth proportional to 621,325.23, 931,990.28 and 189,047.00 is: 283,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,325.23 : 931,990.28 = 189,047.00 : x
  2. Step 2: Convert to fraction form
    621,325.23/931,990.28 = 189,047.00/x
  3. Step 3: Cross multiply
    621,325.23x = 931,990.28 × 189,047.00
  4. Step 4: Simplify right side
    621,325.23x = 176,189,960,857.97
  5. Step 5: Solve for x
    x = 176,189,960,857.97/621,325.23
  6. Step 6: Final answer
    x = 283,571.23

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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.