Home / 621,575.64-932,271.20-172,249.67

Finding the Fourth Proportional to 621,575.64, 932,271.20 and 172,249.67

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Solution

The fourth proportional to 621,575.64, 932,271.20 and 172,249.67 is: 258,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,575.64 : 932,271.20 = 172,249.67 : x
  2. Step 2: Convert to fraction form
    621,575.64/932,271.20 = 172,249.67/x
  3. Step 3: Cross multiply
    621,575.64x = 932,271.20 × 172,249.67
  4. Step 4: Simplify right side
    621,575.64x = 160,583,401,027.90
  5. Step 5: Solve for x
    x = 160,583,401,027.90/621,575.64
  6. Step 6: Final answer
    x = 258,348.93

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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.