Home / 698,912.80-1,048,369.20-698,912.80

Finding the Fourth Proportional to 698,912.80, 1,048,369.20 and 698,912.80

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Solution

The fourth proportional to 698,912.80, 1,048,369.20 and 698,912.80 is: 1,048,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,912.80 : 1,048,369.20 = 698,912.80 : x
  2. Step 2: Convert to fraction form
    698,912.80/1,048,369.20 = 698,912.80/x
  3. Step 3: Cross multiply
    698,912.80x = 1,048,369.20 × 698,912.80
  4. Step 4: Simplify right side
    698,912.80x = 732,718,653,005.76
  5. Step 5: Solve for x
    x = 732,718,653,005.76/698,912.80
  6. Step 6: Final answer
    x = 1,048,369.20

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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.