Home / 771,417.38-1,156,902.65-231,651.86

Finding the Fourth Proportional to 771,417.38, 1,156,902.65 and 231,651.86

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Solution

The fourth proportional to 771,417.38, 1,156,902.65 and 231,651.86 is: 347,410.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,417.38 : 1,156,902.65 = 231,651.86 : x
  2. Step 2: Convert to fraction form
    771,417.38/1,156,902.65 = 231,651.86/x
  3. Step 3: Cross multiply
    771,417.38x = 1,156,902.65 × 231,651.86
  4. Step 4: Simplify right side
    771,417.38x = 267,998,643,768.66
  5. Step 5: Solve for x
    x = 267,998,643,768.66/771,417.38
  6. Step 6: Final answer
    x = 347,410.69

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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.