Home / 777,566.10-1,166,349.15-328,793.70

Finding the Fourth Proportional to 777,566.10, 1,166,349.15 and 328,793.70

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Solution

The fourth proportional to 777,566.10, 1,166,349.15 and 328,793.70 is: 493,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,566.10 : 1,166,349.15 = 328,793.70 : x
  2. Step 2: Convert to fraction form
    777,566.10/1,166,349.15 = 328,793.70/x
  3. Step 3: Cross multiply
    777,566.10x = 1,166,349.15 × 328,793.70
  4. Step 4: Simplify right side
    777,566.10x = 383,488,252,520.36
  5. Step 5: Solve for x
    x = 383,488,252,520.36/777,566.10
  6. Step 6: Final answer
    x = 493,190.55

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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.