Home / 1,197,834-1,652,823-688,441.20

Finding the Fourth Proportional to 1,197,834, 1,652,823 and 688,441.20

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Solution

The fourth proportional to 1,197,834, 1,652,823 and 688,441.20 is: 949,940.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,834 : 1,652,823 = 688,441.20 : x
  2. Step 2: Convert to fraction form
    1,197,834/1,652,823 = 688,441.20/x
  3. Step 3: Cross multiply
    1,197,834x = 1,652,823 × 688,441.20
  4. Step 4: Simplify right side
    1,197,834x = 1,137,871,449,507.60
  5. Step 5: Solve for x
    x = 1,137,871,449,507.60/1,197,834
  6. Step 6: Final answer
    x = 949,940.85

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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.