Home / 300,789.04-451,284.08-98,394.37

Finding the Fourth Proportional to 300,789.04, 451,284.08 and 98,394.37

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Solution

The fourth proportional to 300,789.04, 451,284.08 and 98,394.37 is: 147,624.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,789.04 : 451,284.08 = 98,394.37 : x
  2. Step 2: Convert to fraction form
    300,789.04/451,284.08 = 98,394.37/x
  3. Step 3: Cross multiply
    300,789.04x = 451,284.08 × 98,394.37
  4. Step 4: Simplify right side
    300,789.04x = 44,403,812,742.63
  5. Step 5: Solve for x
    x = 44,403,812,742.63/300,789.04
  6. Step 6: Final answer
    x = 147,624.44

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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.