Home / 704,576.80-1,056,865.20-692,912.80

Finding the Fourth Proportional to 704,576.80, 1,056,865.20 and 692,912.80

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Solution

The fourth proportional to 704,576.80, 1,056,865.20 and 692,912.80 is: 1,039,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,576.80 : 1,056,865.20 = 692,912.80 : x
  2. Step 2: Convert to fraction form
    704,576.80/1,056,865.20 = 692,912.80/x
  3. Step 3: Cross multiply
    704,576.80x = 1,056,865.20 × 692,912.80
  4. Step 4: Simplify right side
    704,576.80x = 732,315,424,954.56
  5. Step 5: Solve for x
    x = 732,315,424,954.56/704,576.80
  6. Step 6: Final answer
    x = 1,039,369.20

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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.