Home / 783,084.60-1,174,626.90-686,662.20

Finding the Fourth Proportional to 783,084.60, 1,174,626.90 and 686,662.20

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Solution

The fourth proportional to 783,084.60, 1,174,626.90 and 686,662.20 is: 1,029,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,084.60 : 1,174,626.90 = 686,662.20 : x
  2. Step 2: Convert to fraction form
    783,084.60/1,174,626.90 = 686,662.20/x
  3. Step 3: Cross multiply
    783,084.60x = 1,174,626.90 × 686,662.20
  4. Step 4: Simplify right side
    783,084.60x = 806,571,891,333.18
  5. Step 5: Solve for x
    x = 806,571,891,333.18/783,084.60
  6. Step 6: Final answer
    x = 1,029,993.30

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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.