Home / 1,663,692.86-2,295,918.44-938,538.34

Finding the Fourth Proportional to 1,663,692.86, 2,295,918.44 and 938,538.34

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Solution

The fourth proportional to 1,663,692.86, 2,295,918.44 and 938,538.34 is: 1,295,195.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,692.86 : 2,295,918.44 = 938,538.34 : x
  2. Step 2: Convert to fraction form
    1,663,692.86/2,295,918.44 = 938,538.34/x
  3. Step 3: Cross multiply
    1,663,692.86x = 2,295,918.44 × 938,538.34
  4. Step 4: Simplify right side
    1,663,692.86x = 2,154,807,481,452.99
  5. Step 5: Solve for x
    x = 2,154,807,481,452.99/1,663,692.86
  6. Step 6: Final answer
    x = 1,295,195.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.