Home / 429,379.23-592,520.19-238,380.32

Finding the Fourth Proportional to 429,379.23, 592,520.19 and 238,380.32

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Solution

The fourth proportional to 429,379.23, 592,520.19 and 238,380.32 is: 328,951.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,379.23 : 592,520.19 = 238,380.32 : x
  2. Step 2: Convert to fraction form
    429,379.23/592,520.19 = 238,380.32/x
  3. Step 3: Cross multiply
    429,379.23x = 592,520.19 × 238,380.32
  4. Step 4: Simplify right side
    429,379.23x = 141,245,150,423.55
  5. Step 5: Solve for x
    x = 141,245,150,423.55/429,379.23
  6. Step 6: Final answer
    x = 328,951.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.