Home / 769,235.72-1,061,539.50-425,094.86

Finding the Fourth Proportional to 769,235.72, 1,061,539.50 and 425,094.86

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Solution

The fourth proportional to 769,235.72, 1,061,539.50 and 425,094.86 is: 586,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,235.72 : 1,061,539.50 = 425,094.86 : x
  2. Step 2: Convert to fraction form
    769,235.72/1,061,539.50 = 425,094.86/x
  3. Step 3: Cross multiply
    769,235.72x = 1,061,539.50 × 425,094.86
  4. Step 4: Simplify right side
    769,235.72x = 451,254,987,790.82
  5. Step 5: Solve for x
    x = 451,254,987,790.82/769,235.72
  6. Step 6: Final answer
    x = 586,627.71

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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.