Home / 1,777,139.56-2,663,567.63-816,269.23

Finding the Fourth Proportional to 1,777,139.56, 2,663,567.63 and 816,269.23

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Solution

The fourth proportional to 1,777,139.56, 2,663,567.63 and 816,269.23 is: 1,223,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,139.56 : 2,663,567.63 = 816,269.23 : x
  2. Step 2: Convert to fraction form
    1,777,139.56/2,663,567.63 = 816,269.23/x
  3. Step 3: Cross multiply
    1,777,139.56x = 2,663,567.63 × 816,269.23
  4. Step 4: Simplify right side
    1,777,139.56x = 2,174,188,294,311.68
  5. Step 5: Solve for x
    x = 2,174,188,294,311.68/1,777,139.56
  6. Step 6: Final answer
    x = 1,223,420.12

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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.