Home / 905,144.48-1,248,960.60-523,097.52

Finding the Fourth Proportional to 905,144.48, 1,248,960.60 and 523,097.52

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Solution

The fourth proportional to 905,144.48, 1,248,960.60 and 523,097.52 is: 721,794.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,144.48 : 1,248,960.60 = 523,097.52 : x
  2. Step 2: Convert to fraction form
    905,144.48/1,248,960.60 = 523,097.52/x
  3. Step 3: Cross multiply
    905,144.48x = 1,248,960.60 × 523,097.52
  4. Step 4: Simplify right side
    905,144.48x = 653,328,192,437.71
  5. Step 5: Solve for x
    x = 653,328,192,437.71/905,144.48
  6. Step 6: Final answer
    x = 721,794.37

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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.