Home / 603,356.76-831,947.58-494,120.28

Finding the Fourth Proportional to 603,356.76, 831,947.58 and 494,120.28

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Solution

The fourth proportional to 603,356.76, 831,947.58 and 494,120.28 is: 681,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,356.76 : 831,947.58 = 494,120.28 : x
  2. Step 2: Convert to fraction form
    603,356.76/831,947.58 = 494,120.28/x
  3. Step 3: Cross multiply
    603,356.76x = 831,947.58 × 494,120.28
  4. Step 4: Simplify right side
    603,356.76x = 411,082,171,174.92
  5. Step 5: Solve for x
    x = 411,082,171,174.92/603,356.76
  6. Step 6: Final answer
    x = 681,325.21

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Double scale
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1.5x scale

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.