Home / 712,592.80-1,068,986.40-263,204.80

Finding the Fourth Proportional to 712,592.80, 1,068,986.40 and 263,204.80

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Solution

The fourth proportional to 712,592.80, 1,068,986.40 and 263,204.80 is: 394,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,592.80 : 1,068,986.40 = 263,204.80 : x
  2. Step 2: Convert to fraction form
    712,592.80/1,068,986.40 = 263,204.80/x
  3. Step 3: Cross multiply
    712,592.80x = 1,068,986.40 × 263,204.80
  4. Step 4: Simplify right side
    712,592.80x = 281,362,351,614.72
  5. Step 5: Solve for x
    x = 281,362,351,614.72/712,592.80
  6. Step 6: Final answer
    x = 394,843.10

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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.