Home / 1,615,993.73-2,230,086.40-890,867.40

Finding the Fourth Proportional to 1,615,993.73, 2,230,086.40 and 890,867.40

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Solution

The fourth proportional to 1,615,993.73, 2,230,086.40 and 890,867.40 is: 1,229,405.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,993.73 : 2,230,086.40 = 890,867.40 : x
  2. Step 2: Convert to fraction form
    1,615,993.73/2,230,086.40 = 890,867.40/x
  3. Step 3: Cross multiply
    1,615,993.73x = 2,230,086.40 × 890,867.40
  4. Step 4: Simplify right side
    1,615,993.73x = 1,986,711,269,882.83
  5. Step 5: Solve for x
    x = 1,986,711,269,882.83/1,615,993.73
  6. Step 6: Final answer
    x = 1,229,405.31

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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.