Home / 989,155.94-1,481,408.73-482,127.93

Finding the Fourth Proportional to 989,155.94, 1,481,408.73 and 482,127.93

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Solution

The fourth proportional to 989,155.94, 1,481,408.73 and 482,127.93 is: 722,058.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,155.94 : 1,481,408.73 = 482,127.93 : x
  2. Step 2: Convert to fraction form
    989,155.94/1,481,408.73 = 482,127.93/x
  3. Step 3: Cross multiply
    989,155.94x = 1,481,408.73 × 482,127.93
  4. Step 4: Simplify right side
    989,155.94x = 714,228,524,478.83
  5. Step 5: Solve for x
    x = 714,228,524,478.83/989,155.94
  6. Step 6: Final answer
    x = 722,058.57

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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.