Home / 621,190.27-931,806.26-171,873.55

Finding the Fourth Proportional to 621,190.27, 931,806.26 and 171,873.55

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Solution

The fourth proportional to 621,190.27, 931,806.26 and 171,873.55 is: 257,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,190.27 : 931,806.26 = 171,873.55 : x
  2. Step 2: Convert to fraction form
    621,190.27/931,806.26 = 171,873.55/x
  3. Step 3: Cross multiply
    621,190.27x = 931,806.26 × 171,873.55
  4. Step 4: Simplify right side
    621,190.27x = 160,152,849,818.42
  5. Step 5: Solve for x
    x = 160,152,849,818.42/621,190.27
  6. Step 6: Final answer
    x = 257,816.10

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1.5x scale

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.