Home / 762,177.12-1,143,266.09-193,600.86

Finding the Fourth Proportional to 762,177.12, 1,143,266.09 and 193,600.86

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Solution

The fourth proportional to 762,177.12, 1,143,266.09 and 193,600.86 is: 290,401.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,177.12 : 1,143,266.09 = 193,600.86 : x
  2. Step 2: Convert to fraction form
    762,177.12/1,143,266.09 = 193,600.86/x
  3. Step 3: Cross multiply
    762,177.12x = 1,143,266.09 × 193,600.86
  4. Step 4: Simplify right side
    762,177.12x = 221,337,298,232.84
  5. Step 5: Solve for x
    x = 221,337,298,232.84/762,177.12
  6. Step 6: Final answer
    x = 290,401.39

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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.