Home / 450,519.48-675,679.38-134,934.84

Finding the Fourth Proportional to 450,519.48, 675,679.38 and 134,934.84

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Solution

The fourth proportional to 450,519.48, 675,679.38 and 134,934.84 is: 202,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,519.48 : 675,679.38 = 134,934.84 : x
  2. Step 2: Convert to fraction form
    450,519.48/675,679.38 = 134,934.84/x
  3. Step 3: Cross multiply
    450,519.48x = 675,679.38 × 134,934.84
  4. Step 4: Simplify right side
    450,519.48x = 91,172,689,031.60
  5. Step 5: Solve for x
    x = 91,172,689,031.60/450,519.48
  6. Step 6: Final answer
    x = 202,372.36

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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.