Home / 1,777,139.63-2,663,567.72-816,269.30

Finding the Fourth Proportional to 1,777,139.63, 2,663,567.72 and 816,269.30

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Solution

The fourth proportional to 1,777,139.63, 2,663,567.72 and 816,269.30 is: 1,223,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,139.63 : 2,663,567.72 = 816,269.30 : x
  2. Step 2: Convert to fraction form
    1,777,139.63/2,663,567.72 = 816,269.30/x
  3. Step 3: Cross multiply
    1,777,139.63x = 2,663,567.72 × 816,269.30
  4. Step 4: Simplify right side
    1,777,139.63x = 2,174,188,544,989.16
  5. Step 5: Solve for x
    x = 2,174,188,544,989.16/1,777,139.63
  6. Step 6: Final answer
    x = 1,223,420.22

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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.