Home / 905,141.48-1,248,956.46-523,094.52

Finding the Fourth Proportional to 905,141.48, 1,248,956.46 and 523,094.52

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Solution

The fourth proportional to 905,141.48, 1,248,956.46 and 523,094.52 is: 721,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,141.48 : 1,248,956.46 = 523,094.52 : x
  2. Step 2: Convert to fraction form
    905,141.48/1,248,956.46 = 523,094.52/x
  3. Step 3: Cross multiply
    905,141.48x = 1,248,956.46 × 523,094.52
  4. Step 4: Simplify right side
    905,141.48x = 653,322,279,944.60
  5. Step 5: Solve for x
    x = 653,322,279,944.60/905,141.48
  6. Step 6: Final answer
    x = 721,790.23

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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.