Home / 417,917.76-576,711.60-226,927.20

Finding the Fourth Proportional to 417,917.76, 576,711.60 and 226,927.20

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Solution

The fourth proportional to 417,917.76, 576,711.60 and 226,927.20 is: 313,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,917.76 : 576,711.60 = 226,927.20 : x
  2. Step 2: Convert to fraction form
    417,917.76/576,711.60 = 226,927.20/x
  3. Step 3: Cross multiply
    417,917.76x = 576,711.60 × 226,927.20
  4. Step 4: Simplify right side
    417,917.76x = 130,871,548,595.52
  5. Step 5: Solve for x
    x = 130,871,548,595.52/417,917.76
  6. Step 6: Final answer
    x = 313,151.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.