Home / 571,130.42-856,738.11-171,739.22

Finding the Fourth Proportional to 571,130.42, 856,738.11 and 171,739.22

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Solution

The fourth proportional to 571,130.42, 856,738.11 and 171,739.22 is: 257,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,130.42 : 856,738.11 = 171,739.22 : x
  2. Step 2: Convert to fraction form
    571,130.42/856,738.11 = 171,739.22/x
  3. Step 3: Cross multiply
    571,130.42x = 856,738.11 × 171,739.22
  4. Step 4: Simplify right side
    571,130.42x = 147,135,534,755.67
  5. Step 5: Solve for x
    x = 147,135,534,755.67/571,130.42
  6. Step 6: Final answer
    x = 257,621.60

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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.