Home / 571,120.20-856,513.44-191,998.08

Finding the Fourth Proportional to 571,120.20, 856,513.44 and 191,998.08

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Solution

The fourth proportional to 571,120.20, 856,513.44 and 191,998.08 is: 287,941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,120.20 : 856,513.44 = 191,998.08 : x
  2. Step 2: Convert to fraction form
    571,120.20/856,513.44 = 191,998.08/x
  3. Step 3: Cross multiply
    571,120.20x = 856,513.44 × 191,998.08
  4. Step 4: Simplify right side
    571,120.20x = 164,448,935,974.20
  5. Step 5: Solve for x
    x = 164,448,935,974.20/571,120.20
  6. Step 6: Final answer
    x = 287,941.03

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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.