Home / 1,022,986.17-1,411,804.96-564,190.48

Finding the Fourth Proportional to 1,022,986.17, 1,411,804.96 and 564,190.48

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Solution

The fourth proportional to 1,022,986.17, 1,411,804.96 and 564,190.48 is: 778,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,986.17 : 1,411,804.96 = 564,190.48 : x
  2. Step 2: Convert to fraction form
    1,022,986.17/1,411,804.96 = 564,190.48/x
  3. Step 3: Cross multiply
    1,022,986.17x = 1,411,804.96 × 564,190.48
  4. Step 4: Simplify right side
    1,022,986.17x = 796,526,918,048.78
  5. Step 5: Solve for x
    x = 796,526,918,048.78/1,022,986.17
  6. Step 6: Final answer
    x = 778,629.21

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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.