Home / 621,191.27-931,807.76-171,874.55

Finding the Fourth Proportional to 621,191.27, 931,807.76 and 171,874.55

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Solution

The fourth proportional to 621,191.27, 931,807.76 and 171,874.55 is: 257,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,191.27 : 931,807.76 = 171,874.55 : x
  2. Step 2: Convert to fraction form
    621,191.27/931,807.76 = 171,874.55/x
  3. Step 3: Cross multiply
    621,191.27x = 931,807.76 × 171,874.55
  4. Step 4: Simplify right side
    621,191.27x = 160,154,039,436.51
  5. Step 5: Solve for x
    x = 160,154,039,436.51/621,191.27
  6. Step 6: Final answer
    x = 257,817.60

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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.