Home / 858,781.44-1,183,168.92-664,521.24

Finding the Fourth Proportional to 858,781.44, 1,183,168.92 and 664,521.24

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Solution

The fourth proportional to 858,781.44, 1,183,168.92 and 664,521.24 is: 915,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,781.44 : 1,183,168.92 = 664,521.24 : x
  2. Step 2: Convert to fraction form
    858,781.44/1,183,168.92 = 664,521.24/x
  3. Step 3: Cross multiply
    858,781.44x = 1,183,168.92 × 664,521.24
  4. Step 4: Simplify right side
    858,781.44x = 786,240,877,847.86
  5. Step 5: Solve for x
    x = 786,240,877,847.86/858,781.44
  6. Step 6: Final answer
    x = 915,530.82

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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.