Home / 903,105.36-1,355,470.20-482,740.56

Finding the Fourth Proportional to 903,105.36, 1,355,470.20 and 482,740.56

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Solution

The fourth proportional to 903,105.36, 1,355,470.20 and 482,740.56 is: 724,544.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,105.36 : 1,355,470.20 = 482,740.56 : x
  2. Step 2: Convert to fraction form
    903,105.36/1,355,470.20 = 482,740.56/x
  3. Step 3: Cross multiply
    903,105.36x = 1,355,470.20 × 482,740.56
  4. Step 4: Simplify right side
    903,105.36x = 654,340,443,411.31
  5. Step 5: Solve for x
    x = 654,340,443,411.31/903,105.36
  6. Step 6: Final answer
    x = 724,544.97

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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.