Home / 1,861,753.86-2,792,575-513,998.70

Finding the Fourth Proportional to 1,861,753.86, 2,792,575 and 513,998.70

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Solution

The fourth proportional to 1,861,753.86, 2,792,575 and 513,998.70 is: 770,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,753.86 : 2,792,575 = 513,998.70 : x
  2. Step 2: Convert to fraction form
    1,861,753.86/2,792,575 = 513,998.70/x
  3. Step 3: Cross multiply
    1,861,753.86x = 2,792,575 × 513,998.70
  4. Step 4: Simplify right side
    1,861,753.86x = 1,435,379,919,652.50
  5. Step 5: Solve for x
    x = 1,435,379,919,652.50/1,861,753.86
  6. Step 6: Final answer
    x = 770,982.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.