Home / 931,657.68-1,285,616.88-523,694.64

Finding the Fourth Proportional to 931,657.68, 1,285,616.88 and 523,694.64

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Solution

The fourth proportional to 931,657.68, 1,285,616.88 and 523,694.64 is: 722,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,657.68 : 1,285,616.88 = 523,694.64 : x
  2. Step 2: Convert to fraction form
    931,657.68/1,285,616.88 = 523,694.64/x
  3. Step 3: Cross multiply
    931,657.68x = 1,285,616.88 × 523,694.64
  4. Step 4: Simplify right side
    931,657.68x = 673,270,669,149.52
  5. Step 5: Solve for x
    x = 673,270,669,149.52/931,657.68
  6. Step 6: Final answer
    x = 722,658.85

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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.