Home / 946,975.89-1,306,439.84-699,211.63

Finding the Fourth Proportional to 946,975.89, 1,306,439.84 and 699,211.63

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Solution

The fourth proportional to 946,975.89, 1,306,439.84 and 699,211.63 is: 964,626.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,975.89 : 1,306,439.84 = 699,211.63 : x
  2. Step 2: Convert to fraction form
    946,975.89/1,306,439.84 = 699,211.63/x
  3. Step 3: Cross multiply
    946,975.89x = 1,306,439.84 × 699,211.63
  4. Step 4: Simplify right side
    946,975.89x = 913,477,922,122.63
  5. Step 5: Solve for x
    x = 913,477,922,122.63/946,975.89
  6. Step 6: Final answer
    x = 964,626.38

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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.