Home / 851,165.49-1,174,616.45-469,205.94

Finding the Fourth Proportional to 851,165.49, 1,174,616.45 and 469,205.94

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Solution

The fourth proportional to 851,165.49, 1,174,616.45 and 469,205.94 is: 647,508.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,165.49 : 1,174,616.45 = 469,205.94 : x
  2. Step 2: Convert to fraction form
    851,165.49/1,174,616.45 = 469,205.94/x
  3. Step 3: Cross multiply
    851,165.49x = 1,174,616.45 × 469,205.94
  4. Step 4: Simplify right side
    851,165.49x = 551,137,015,561.71
  5. Step 5: Solve for x
    x = 551,137,015,561.71/851,165.49
  6. Step 6: Final answer
    x = 647,508.65

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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.