Home / 654,483.85-981,738.07-205,194.77

Finding the Fourth Proportional to 654,483.85, 981,738.07 and 205,194.77

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Solution

The fourth proportional to 654,483.85, 981,738.07 and 205,194.77 is: 307,796.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,483.85 : 981,738.07 = 205,194.77 : x
  2. Step 2: Convert to fraction form
    654,483.85/981,738.07 = 205,194.77/x
  3. Step 3: Cross multiply
    654,483.85x = 981,738.07 × 205,194.77
  4. Step 4: Simplify right side
    654,483.85x = 201,447,516,887.96
  5. Step 5: Solve for x
    x = 201,447,516,887.96/654,483.85
  6. Step 6: Final answer
    x = 307,796.01

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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.