Home / 427,326.56-589,532.40-245,995.04

Finding the Fourth Proportional to 427,326.56, 589,532.40 and 245,995.04

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Solution

The fourth proportional to 427,326.56, 589,532.40 and 245,995.04 is: 339,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,326.56 : 589,532.40 = 245,995.04 : x
  2. Step 2: Convert to fraction form
    427,326.56/589,532.40 = 245,995.04/x
  3. Step 3: Cross multiply
    427,326.56x = 589,532.40 × 245,995.04
  4. Step 4: Simplify right side
    427,326.56x = 145,022,046,319.30
  5. Step 5: Solve for x
    x = 145,022,046,319.30/427,326.56
  6. Step 6: Final answer
    x = 339,370.54

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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.