Home / 734,015.70-1,101,023.55-521,439.30

Finding the Fourth Proportional to 734,015.70, 1,101,023.55 and 521,439.30

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Solution

The fourth proportional to 734,015.70, 1,101,023.55 and 521,439.30 is: 782,158.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,015.70 : 1,101,023.55 = 521,439.30 : x
  2. Step 2: Convert to fraction form
    734,015.70/1,101,023.55 = 521,439.30/x
  3. Step 3: Cross multiply
    734,015.70x = 1,101,023.55 × 521,439.30
  4. Step 4: Simplify right side
    734,015.70x = 574,116,949,195.52
  5. Step 5: Solve for x
    x = 574,116,949,195.52/734,015.70
  6. Step 6: Final answer
    x = 782,158.95

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Double scale
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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.