Home / 1,211,777.42-1,817,469.20-572,079.92

Finding the Fourth Proportional to 1,211,777.42, 1,817,469.20 and 572,079.92

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Solution

The fourth proportional to 1,211,777.42, 1,817,469.20 and 572,079.92 is: 858,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,777.42 : 1,817,469.20 = 572,079.92 : x
  2. Step 2: Convert to fraction form
    1,211,777.42/1,817,469.20 = 572,079.92/x
  3. Step 3: Cross multiply
    1,211,777.42x = 1,817,469.20 × 572,079.92
  4. Step 4: Simplify right side
    1,211,777.42x = 1,039,737,622,590.72
  5. Step 5: Solve for x
    x = 1,039,737,622,590.72/1,211,777.42
  6. Step 6: Final answer
    x = 858,026.90

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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.