Home / 849,163.79-1,171,855.29-461,981.39

Finding the Fourth Proportional to 849,163.79, 1,171,855.29 and 461,981.39

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Solution

The fourth proportional to 849,163.79, 1,171,855.29 and 461,981.39 is: 637,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,163.79 : 1,171,855.29 = 461,981.39 : x
  2. Step 2: Convert to fraction form
    849,163.79/1,171,855.29 = 461,981.39/x
  3. Step 3: Cross multiply
    849,163.79x = 1,171,855.29 × 461,981.39
  4. Step 4: Simplify right side
    849,163.79x = 541,375,329,893.78
  5. Step 5: Solve for x
    x = 541,375,329,893.78/849,163.79
  6. Step 6: Final answer
    x = 637,539.35

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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.