Home / 987,040.02-1,362,104.73-557,294.52

Finding the Fourth Proportional to 987,040.02, 1,362,104.73 and 557,294.52

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Solution

The fourth proportional to 987,040.02, 1,362,104.73 and 557,294.52 is: 769,060.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,040.02 : 1,362,104.73 = 557,294.52 : x
  2. Step 2: Convert to fraction form
    987,040.02/1,362,104.73 = 557,294.52/x
  3. Step 3: Cross multiply
    987,040.02x = 1,362,104.73 × 557,294.52
  4. Step 4: Simplify right side
    987,040.02x = 759,093,501,695.08
  5. Step 5: Solve for x
    x = 759,093,501,695.08/987,040.02
  6. Step 6: Final answer
    x = 769,060.51

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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.