Home / 621,232.75-931,869.78-171,916.03

Finding the Fourth Proportional to 621,232.75, 931,869.78 and 171,916.03

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Solution

The fourth proportional to 621,232.75, 931,869.78 and 171,916.03 is: 257,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,232.75 : 931,869.78 = 171,916.03 : x
  2. Step 2: Convert to fraction form
    621,232.75/931,869.78 = 171,916.03/x
  3. Step 3: Cross multiply
    621,232.75x = 931,869.78 × 171,916.03
  4. Step 4: Simplify right side
    621,232.75x = 160,203,353,054.57
  5. Step 5: Solve for x
    x = 160,203,353,054.57/621,232.75
  6. Step 6: Final answer
    x = 257,879.76

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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.