Home / 444,588.40-666,948.20-129,004.28

Finding the Fourth Proportional to 444,588.40, 666,948.20 and 129,004.28

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Solution

The fourth proportional to 444,588.40, 666,948.20 and 129,004.28 is: 193,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,588.40 : 666,948.20 = 129,004.28 : x
  2. Step 2: Convert to fraction form
    444,588.40/666,948.20 = 129,004.28/x
  3. Step 3: Cross multiply
    444,588.40x = 666,948.20 × 129,004.28
  4. Step 4: Simplify right side
    444,588.40x = 86,039,172,338.30
  5. Step 5: Solve for x
    x = 86,039,172,338.30/444,588.40
  6. Step 6: Final answer
    x = 193,525.45

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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.