Home / 444,560.40-666,351.36-219,587.76

Finding the Fourth Proportional to 444,560.40, 666,351.36 and 219,587.76

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Solution

The fourth proportional to 444,560.40, 666,351.36 and 219,587.76 is: 329,139.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,560.40 : 666,351.36 = 219,587.76 : x
  2. Step 2: Convert to fraction form
    444,560.40/666,351.36 = 219,587.76/x
  3. Step 3: Cross multiply
    444,560.40x = 666,351.36 × 219,587.76
  4. Step 4: Simplify right side
    444,560.40x = 146,322,602,515.35
  5. Step 5: Solve for x
    x = 146,322,602,515.35/444,560.40
  6. Step 6: Final answer
    x = 329,139.98

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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.