Home / 805,197.64-1,111,186.56-442,636.80

Finding the Fourth Proportional to 805,197.64, 1,111,186.56 and 442,636.80

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Solution

The fourth proportional to 805,197.64, 1,111,186.56 and 442,636.80 is: 610,846.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,197.64 : 1,111,186.56 = 442,636.80 : x
  2. Step 2: Convert to fraction form
    805,197.64/1,111,186.56 = 442,636.80/x
  3. Step 3: Cross multiply
    805,197.64x = 1,111,186.56 × 442,636.80
  4. Step 4: Simplify right side
    805,197.64x = 491,852,063,121.41
  5. Step 5: Solve for x
    x = 491,852,063,121.41/805,197.64
  6. Step 6: Final answer
    x = 610,846.38

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Double scale
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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.