Home / 743,356.06-1,114,988.97-263,607.59

Finding the Fourth Proportional to 743,356.06, 1,114,988.97 and 263,607.59

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Solution

The fourth proportional to 743,356.06, 1,114,988.97 and 263,607.59 is: 395,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,356.06 : 1,114,988.97 = 263,607.59 : x
  2. Step 2: Convert to fraction form
    743,356.06/1,114,988.97 = 263,607.59/x
  3. Step 3: Cross multiply
    743,356.06x = 1,114,988.97 × 263,607.59
  4. Step 4: Simplify right side
    743,356.06x = 293,919,555,258.28
  5. Step 5: Solve for x
    x = 293,919,555,258.28/743,356.06
  6. Step 6: Final answer
    x = 395,395.38

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Double scale
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Similar ratio
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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.