Home / 434,939.60-653,721.60-377,202.80

Finding the Fourth Proportional to 434,939.60, 653,721.60 and 377,202.80

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Solution

The fourth proportional to 434,939.60, 653,721.60 and 377,202.80 is: 566,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,939.60 : 653,721.60 = 377,202.80 : x
  2. Step 2: Convert to fraction form
    434,939.60/653,721.60 = 377,202.80/x
  3. Step 3: Cross multiply
    434,939.60x = 653,721.60 × 377,202.80
  4. Step 4: Simplify right side
    434,939.60x = 246,585,617,940.48
  5. Step 5: Solve for x
    x = 246,585,617,940.48/434,939.60
  6. Step 6: Final answer
    x = 566,942.21

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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.