Home / 866,911.63-1,196,578.47-504,405.51

Finding the Fourth Proportional to 866,911.63, 1,196,578.47 and 504,405.51

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Solution

The fourth proportional to 866,911.63, 1,196,578.47 and 504,405.51 is: 696,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,911.63 : 1,196,578.47 = 504,405.51 : x
  2. Step 2: Convert to fraction form
    866,911.63/1,196,578.47 = 504,405.51/x
  3. Step 3: Cross multiply
    866,911.63x = 1,196,578.47 × 504,405.51
  4. Step 4: Simplify right side
    866,911.63x = 603,560,773,415.37
  5. Step 5: Solve for x
    x = 603,560,773,415.37/866,911.63
  6. Step 6: Final answer
    x = 696,219.49

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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.