Home / 903,106.36-1,355,471.70-482,741.56

Finding the Fourth Proportional to 903,106.36, 1,355,471.70 and 482,741.56

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Solution

The fourth proportional to 903,106.36, 1,355,471.70 and 482,741.56 is: 724,546.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,106.36 : 1,355,471.70 = 482,741.56 : x
  2. Step 2: Convert to fraction form
    903,106.36/1,355,471.70 = 482,741.56/x
  3. Step 3: Cross multiply
    903,106.36x = 1,355,471.70 × 482,741.56
  4. Step 4: Simplify right side
    903,106.36x = 654,342,522,993.85
  5. Step 5: Solve for x
    x = 654,342,522,993.85/903,106.36
  6. Step 6: Final answer
    x = 724,546.47

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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.