Home / 734,995.78-1,102,493.70-236,359.78

Finding the Fourth Proportional to 734,995.78, 1,102,493.70 and 236,359.78

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Solution

The fourth proportional to 734,995.78, 1,102,493.70 and 236,359.78 is: 354,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,995.78 : 1,102,493.70 = 236,359.78 : x
  2. Step 2: Convert to fraction form
    734,995.78/1,102,493.70 = 236,359.78/x
  3. Step 3: Cross multiply
    734,995.78x = 1,102,493.70 × 236,359.78
  4. Step 4: Simplify right side
    734,995.78x = 260,585,168,383.39
  5. Step 5: Solve for x
    x = 260,585,168,383.39/734,995.78
  6. Step 6: Final answer
    x = 354,539.68

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Half scale
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Double scale
Find fourth proportional to 734,996.78, 1,102,495.20 and 236,360.78
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.