Home / 928,201.55-1,392,303.53-254,288.77

Finding the Fourth Proportional to 928,201.55, 1,392,303.53 and 254,288.77

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Solution

The fourth proportional to 928,201.55, 1,392,303.53 and 254,288.77 is: 381,433.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,201.55 : 1,392,303.53 = 254,288.77 : x
  2. Step 2: Convert to fraction form
    928,201.55/1,392,303.53 = 254,288.77/x
  3. Step 3: Cross multiply
    928,201.55x = 1,392,303.53 × 254,288.77
  4. Step 4: Simplify right side
    928,201.55x = 354,047,149,265.32
  5. Step 5: Solve for x
    x = 354,047,149,265.32/928,201.55
  6. Step 6: Final answer
    x = 381,433.48

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Double scale
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Similar ratio
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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.