Home / 817,797.90-1,128,910.04-582,203.66

Finding the Fourth Proportional to 817,797.90, 1,128,910.04 and 582,203.66

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Solution

The fourth proportional to 817,797.90, 1,128,910.04 and 582,203.66 is: 803,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,797.90 : 1,128,910.04 = 582,203.66 : x
  2. Step 2: Convert to fraction form
    817,797.90/1,128,910.04 = 582,203.66/x
  3. Step 3: Cross multiply
    817,797.90x = 1,128,910.04 × 582,203.66
  4. Step 4: Simplify right side
    817,797.90x = 657,255,557,026.64
  5. Step 5: Solve for x
    x = 657,255,557,026.64/817,797.90
  6. Step 6: Final answer
    x = 803,689.47

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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.