Home / 851,284.49-1,174,780.77-469,324.94

Finding the Fourth Proportional to 851,284.49, 1,174,780.77 and 469,324.94

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Solution

The fourth proportional to 851,284.49, 1,174,780.77 and 469,324.94 is: 647,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,284.49 : 1,174,780.77 = 469,324.94 : x
  2. Step 2: Convert to fraction form
    851,284.49/1,174,780.77 = 469,324.94/x
  3. Step 3: Cross multiply
    851,284.49x = 1,174,780.77 × 469,324.94
  4. Step 4: Simplify right side
    851,284.49x = 551,353,906,759.53
  5. Step 5: Solve for x
    x = 551,353,906,759.53/851,284.49
  6. Step 6: Final answer
    x = 647,672.92

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1.5x scale

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.