Home / 617,945.20-927,004.20-262,956.40

Finding the Fourth Proportional to 617,945.20, 927,004.20 and 262,956.40

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Solution

The fourth proportional to 617,945.20, 927,004.20 and 262,956.40 is: 394,471.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,945.20 : 927,004.20 = 262,956.40 : x
  2. Step 2: Convert to fraction form
    617,945.20/927,004.20 = 262,956.40/x
  3. Step 3: Cross multiply
    617,945.20x = 927,004.20 × 262,956.40
  4. Step 4: Simplify right side
    617,945.20x = 243,761,687,216.88
  5. Step 5: Solve for x
    x = 243,761,687,216.88/617,945.20
  6. Step 6: Final answer
    x = 394,471.37

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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.