Home / 381,945.56-526,887.20-259,444.24

Finding the Fourth Proportional to 381,945.56, 526,887.20 and 259,444.24

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Solution

The fourth proportional to 381,945.56, 526,887.20 and 259,444.24 is: 357,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,945.56 : 526,887.20 = 259,444.24 : x
  2. Step 2: Convert to fraction form
    381,945.56/526,887.20 = 259,444.24/x
  3. Step 3: Cross multiply
    381,945.56x = 526,887.20 × 259,444.24
  4. Step 4: Simplify right side
    381,945.56x = 136,697,848,501.12
  5. Step 5: Solve for x
    x = 136,697,848,501.12/381,945.56
  6. Step 6: Final answer
    x = 357,898.78

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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.