Home / 878,200.52-1,211,916.46-475,792.52

Finding the Fourth Proportional to 878,200.52, 1,211,916.46 and 475,792.52

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Solution

The fourth proportional to 878,200.52, 1,211,916.46 and 475,792.52 is: 656,593.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,200.52 : 1,211,916.46 = 475,792.52 : x
  2. Step 2: Convert to fraction form
    878,200.52/1,211,916.46 = 475,792.52/x
  3. Step 3: Cross multiply
    878,200.52x = 1,211,916.46 × 475,792.52
  4. Step 4: Simplify right side
    878,200.52x = 576,620,786,532.88
  5. Step 5: Solve for x
    x = 576,620,786,532.88/878,200.52
  6. Step 6: Final answer
    x = 656,593.54

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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.