Home / 905,140.58-1,248,955.26-523,093.64

Finding the Fourth Proportional to 905,140.58, 1,248,955.26 and 523,093.64

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Solution

The fourth proportional to 905,140.58, 1,248,955.26 and 523,093.64 is: 721,789.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,140.58 : 1,248,955.26 = 523,093.64 : x
  2. Step 2: Convert to fraction form
    905,140.58/1,248,955.26 = 523,093.64/x
  3. Step 3: Cross multiply
    905,140.58x = 1,248,955.26 × 523,093.64
  4. Step 4: Simplify right side
    905,140.58x = 653,320,553,150.55
  5. Step 5: Solve for x
    x = 653,320,553,150.55/905,140.58
  6. Step 6: Final answer
    x = 721,789.04

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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.