Home / 888,900.56-1,225,405.32-633,809.36

Finding the Fourth Proportional to 888,900.56, 1,225,405.32 and 633,809.36

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Solution

The fourth proportional to 888,900.56, 1,225,405.32 and 633,809.36 is: 873,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,900.56 : 1,225,405.32 = 633,809.36 : x
  2. Step 2: Convert to fraction form
    888,900.56/1,225,405.32 = 633,809.36/x
  3. Step 3: Cross multiply
    888,900.56x = 1,225,405.32 × 633,809.36
  4. Step 4: Simplify right side
    888,900.56x = 776,673,361,609.80
  5. Step 5: Solve for x
    x = 776,673,361,609.80/888,900.56
  6. Step 6: Final answer
    x = 873,746.06

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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.