Home / 1,125,735.02-1,553,485.53-629,022.90

Finding the Fourth Proportional to 1,125,735.02, 1,553,485.53 and 629,022.90

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Solution

The fourth proportional to 1,125,735.02, 1,553,485.53 and 629,022.90 is: 868,035.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,735.02 : 1,553,485.53 = 629,022.90 : x
  2. Step 2: Convert to fraction form
    1,125,735.02/1,553,485.53 = 629,022.90/x
  3. Step 3: Cross multiply
    1,125,735.02x = 1,553,485.53 × 629,022.90
  4. Step 4: Simplify right side
    1,125,735.02x = 977,177,972,634.69
  5. Step 5: Solve for x
    x = 977,177,972,634.69/1,125,735.02
  6. Step 6: Final answer
    x = 868,035.51

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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.