Home / 851,266.94-1,174,757.43-469,307.39

Finding the Fourth Proportional to 851,266.94, 1,174,757.43 and 469,307.39

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Solution

The fourth proportional to 851,266.94, 1,174,757.43 and 469,307.39 is: 647,649.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,266.94 : 1,174,757.43 = 469,307.39 : x
  2. Step 2: Convert to fraction form
    851,266.94/1,174,757.43 = 469,307.39/x
  3. Step 3: Cross multiply
    851,266.94x = 1,174,757.43 × 469,307.39
  4. Step 4: Simplify right side
    851,266.94x = 551,322,343,356.41
  5. Step 5: Solve for x
    x = 551,322,343,356.41/851,266.94
  6. Step 6: Final answer
    x = 647,649.19

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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.