Home / 685,964.36-1,029,096.90-230,539.28

Finding the Fourth Proportional to 685,964.36, 1,029,096.90 and 230,539.28

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Solution

The fourth proportional to 685,964.36, 1,029,096.90 and 230,539.28 is: 345,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,964.36 : 1,029,096.90 = 230,539.28 : x
  2. Step 2: Convert to fraction form
    685,964.36/1,029,096.90 = 230,539.28/x
  3. Step 3: Cross multiply
    685,964.36x = 1,029,096.90 × 230,539.28
  4. Step 4: Simplify right side
    685,964.36x = 237,247,258,376.23
  5. Step 5: Solve for x
    x = 237,247,258,376.23/685,964.36
  6. Step 6: Final answer
    x = 345,859.45

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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.