Home / 621,193.58-931,811.18-171,876.86

Finding the Fourth Proportional to 621,193.58, 931,811.18 and 171,876.86

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Solution

The fourth proportional to 621,193.58, 931,811.18 and 171,876.86 is: 257,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,193.58 : 931,811.18 = 171,876.86 : x
  2. Step 2: Convert to fraction form
    621,193.58/931,811.18 = 171,876.86/x
  3. Step 3: Cross multiply
    621,193.58x = 931,811.18 × 171,876.86
  4. Step 4: Simplify right side
    621,193.58x = 160,156,779,731.30
  5. Step 5: Solve for x
    x = 160,156,779,731.30/621,193.58
  6. Step 6: Final answer
    x = 257,821.05

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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.