Home / 722,716.98-1,085,068.53-367,969.38

Finding the Fourth Proportional to 722,716.98, 1,085,068.53 and 367,969.38

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Solution

The fourth proportional to 722,716.98, 1,085,068.53 and 367,969.38 is: 552,459.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,716.98 : 1,085,068.53 = 367,969.38 : x
  2. Step 2: Convert to fraction form
    722,716.98/1,085,068.53 = 367,969.38/x
  3. Step 3: Cross multiply
    722,716.98x = 1,085,068.53 × 367,969.38
  4. Step 4: Simplify right side
    722,716.98x = 399,271,994,241.61
  5. Step 5: Solve for x
    x = 399,271,994,241.61/722,716.98
  6. Step 6: Final answer
    x = 552,459.68

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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.