Home / 860,767.98-1,188,711.90-709,307.16

Finding the Fourth Proportional to 860,767.98, 1,188,711.90 and 709,307.16

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Solution

The fourth proportional to 860,767.98, 1,188,711.90 and 709,307.16 is: 979,546.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,767.98 : 1,188,711.90 = 709,307.16 : x
  2. Step 2: Convert to fraction form
    860,767.98/1,188,711.90 = 709,307.16/x
  3. Step 3: Cross multiply
    860,767.98x = 1,188,711.90 × 709,307.16
  4. Step 4: Simplify right side
    860,767.98x = 843,161,861,847.20
  5. Step 5: Solve for x
    x = 843,161,861,847.20/860,767.98
  6. Step 6: Final answer
    x = 979,546.03

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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.