Home / 919,224.60-1,378,836.90-683,028.60

Finding the Fourth Proportional to 919,224.60, 1,378,836.90 and 683,028.60

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Solution

The fourth proportional to 919,224.60, 1,378,836.90 and 683,028.60 is: 1,024,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,224.60 : 1,378,836.90 = 683,028.60 : x
  2. Step 2: Convert to fraction form
    919,224.60/1,378,836.90 = 683,028.60/x
  3. Step 3: Cross multiply
    919,224.60x = 1,378,836.90 × 683,028.60
  4. Step 4: Simplify right side
    919,224.60x = 941,785,037,435.34
  5. Step 5: Solve for x
    x = 941,785,037,435.34/919,224.60
  6. Step 6: Final answer
    x = 1,024,542.90

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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.