Home / 830,839.13-1,246,258.71-199,752.95

Finding the Fourth Proportional to 830,839.13, 1,246,258.71 and 199,752.95

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Solution

The fourth proportional to 830,839.13, 1,246,258.71 and 199,752.95 is: 299,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,839.13 : 1,246,258.71 = 199,752.95 : x
  2. Step 2: Convert to fraction form
    830,839.13/1,246,258.71 = 199,752.95/x
  3. Step 3: Cross multiply
    830,839.13x = 1,246,258.71 × 199,752.95
  4. Step 4: Simplify right side
    830,839.13x = 248,943,846,555.64
  5. Step 5: Solve for x
    x = 248,943,846,555.64/830,839.13
  6. Step 6: Final answer
    x = 299,629.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.