Home / 571,119.12-856,645.56-171,751.20

Finding the Fourth Proportional to 571,119.12, 856,645.56 and 171,751.20

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Solution

The fourth proportional to 571,119.12, 856,645.56 and 171,751.20 is: 257,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,119.12 : 856,645.56 = 171,751.20 : x
  2. Step 2: Convert to fraction form
    571,119.12/856,645.56 = 171,751.20/x
  3. Step 3: Cross multiply
    571,119.12x = 856,645.56 × 171,751.20
  4. Step 4: Simplify right side
    571,119.12x = 147,129,902,904.67
  5. Step 5: Solve for x
    x = 147,129,902,904.67/571,119.12
  6. Step 6: Final answer
    x = 257,616.84

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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.