Home / 1,585,609.86-2,188,143.09-906,560.58

Finding the Fourth Proportional to 1,585,609.86, 2,188,143.09 and 906,560.58

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Solution

The fourth proportional to 1,585,609.86, 2,188,143.09 and 906,560.58 is: 1,251,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,609.86 : 2,188,143.09 = 906,560.58 : x
  2. Step 2: Convert to fraction form
    1,585,609.86/2,188,143.09 = 906,560.58/x
  3. Step 3: Cross multiply
    1,585,609.86x = 2,188,143.09 × 906,560.58
  4. Step 4: Simplify right side
    1,585,609.86x = 1,983,684,268,793.39
  5. Step 5: Solve for x
    x = 1,983,684,268,793.39/1,585,609.86
  6. Step 6: Final answer
    x = 1,251,054.45

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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.