Home / 1,085,686-1,626,868.24-580,318.88

Finding the Fourth Proportional to 1,085,686, 1,626,868.24 and 580,318.88

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Solution

The fourth proportional to 1,085,686, 1,626,868.24 and 580,318.88 is: 869,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,686 : 1,626,868.24 = 580,318.88 : x
  2. Step 2: Convert to fraction form
    1,085,686/1,626,868.24 = 580,318.88/x
  3. Step 3: Cross multiply
    1,085,686x = 1,626,868.24 × 580,318.88
  4. Step 4: Simplify right side
    1,085,686x = 944,102,354,944.37
  5. Step 5: Solve for x
    x = 944,102,354,944.37/1,085,686
  6. Step 6: Final answer
    x = 869,590.61

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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.