Home / 851,256.30-1,174,786.59-469,282.38

Finding the Fourth Proportional to 851,256.30, 1,174,786.59 and 469,282.38

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Solution

The fourth proportional to 851,256.30, 1,174,786.59 and 469,282.38 is: 647,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,256.30 : 1,174,786.59 = 469,282.38 : x
  2. Step 2: Convert to fraction form
    851,256.30/1,174,786.59 = 469,282.38/x
  3. Step 3: Cross multiply
    851,256.30x = 1,174,786.59 × 469,282.38
  4. Step 4: Simplify right side
    851,256.30x = 551,306,646,947.28
  5. Step 5: Solve for x
    x = 551,306,646,947.28/851,256.30
  6. Step 6: Final answer
    x = 647,638.85

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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.