Home / 762,185.80-1,143,279.51-193,609.54

Finding the Fourth Proportional to 762,185.80, 1,143,279.51 and 193,609.54

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Solution

The fourth proportional to 762,185.80, 1,143,279.51 and 193,609.54 is: 290,414.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,185.80 : 1,143,279.51 = 193,609.54 : x
  2. Step 2: Convert to fraction form
    762,185.80/1,143,279.51 = 193,609.54/x
  3. Step 3: Cross multiply
    762,185.80x = 1,143,279.51 × 193,609.54
  4. Step 4: Simplify right side
    762,185.80x = 221,349,821,814.64
  5. Step 5: Solve for x
    x = 221,349,821,814.64/762,185.80
  6. Step 6: Final answer
    x = 290,414.52

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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.