Home / 712,548.70-1,068,570.94-207,004.50

Finding the Fourth Proportional to 712,548.70, 1,068,570.94 and 207,004.50

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Solution

The fourth proportional to 712,548.70, 1,068,570.94 and 207,004.50 is: 310,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,548.70 : 1,068,570.94 = 207,004.50 : x
  2. Step 2: Convert to fraction form
    712,548.70/1,068,570.94 = 207,004.50/x
  3. Step 3: Cross multiply
    712,548.70x = 1,068,570.94 × 207,004.50
  4. Step 4: Simplify right side
    712,548.70x = 221,198,993,149.23
  5. Step 5: Solve for x
    x = 221,198,993,149.23/712,548.70
  6. Step 6: Final answer
    x = 310,433.51

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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.