Home / 707,857.20-1,056,438.02-659,861.39

Finding the Fourth Proportional to 707,857.20, 1,056,438.02 and 659,861.39

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Solution

The fourth proportional to 707,857.20, 1,056,438.02 and 659,861.39 is: 984,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,857.20 : 1,056,438.02 = 659,861.39 : x
  2. Step 2: Convert to fraction form
    707,857.20/1,056,438.02 = 659,861.39/x
  3. Step 3: Cross multiply
    707,857.20x = 1,056,438.02 × 659,861.39
  4. Step 4: Simplify right side
    707,857.20x = 697,102,664,616.80
  5. Step 5: Solve for x
    x = 697,102,664,616.80/707,857.20
  6. Step 6: Final answer
    x = 984,806.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.