Home / 434,387.54-599,099.38-305,751.84

Finding the Fourth Proportional to 434,387.54, 599,099.38 and 305,751.84

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Solution

The fourth proportional to 434,387.54, 599,099.38 and 305,751.84 is: 421,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,387.54 : 599,099.38 = 305,751.84 : x
  2. Step 2: Convert to fraction form
    434,387.54/599,099.38 = 305,751.84/x
  3. Step 3: Cross multiply
    434,387.54x = 599,099.38 × 305,751.84
  4. Step 4: Simplify right side
    434,387.54x = 183,175,737,777.86
  5. Step 5: Solve for x
    x = 183,175,737,777.86/434,387.54
  6. Step 6: Final answer
    x = 421,687.37

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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.