Home / 571,133.92-856,743.36-171,742.72

Finding the Fourth Proportional to 571,133.92, 856,743.36 and 171,742.72

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Solution

The fourth proportional to 571,133.92, 856,743.36 and 171,742.72 is: 257,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,133.92 : 856,743.36 = 171,742.72 : x
  2. Step 2: Convert to fraction form
    571,133.92/856,743.36 = 171,742.72/x
  3. Step 3: Cross multiply
    571,133.92x = 856,743.36 × 171,742.72
  4. Step 4: Simplify right side
    571,133.92x = 147,139,434,988.34
  5. Step 5: Solve for x
    x = 147,139,434,988.34/571,133.92
  6. Step 6: Final answer
    x = 257,626.85

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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.