Home / 444,139.20-612,878.40-242,935.20

Finding the Fourth Proportional to 444,139.20, 612,878.40 and 242,935.20

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Solution

The fourth proportional to 444,139.20, 612,878.40 and 242,935.20 is: 335,232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,139.20 : 612,878.40 = 242,935.20 : x
  2. Step 2: Convert to fraction form
    444,139.20/612,878.40 = 242,935.20/x
  3. Step 3: Cross multiply
    444,139.20x = 612,878.40 × 242,935.20
  4. Step 4: Simplify right side
    444,139.20x = 148,889,736,679.68
  5. Step 5: Solve for x
    x = 148,889,736,679.68/444,139.20
  6. Step 6: Final answer
    x = 335,232.14

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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.