Home / 354,628.98-531,243.63-265,982.58

Finding the Fourth Proportional to 354,628.98, 531,243.63 and 265,982.58

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Solution

The fourth proportional to 354,628.98, 531,243.63 and 265,982.58 is: 398,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,628.98 : 531,243.63 = 265,982.58 : x
  2. Step 2: Convert to fraction form
    354,628.98/531,243.63 = 265,982.58/x
  3. Step 3: Cross multiply
    354,628.98x = 531,243.63 × 265,982.58
  4. Step 4: Simplify right side
    354,628.98x = 141,301,551,315.97
  5. Step 5: Solve for x
    x = 141,301,551,315.97/354,628.98
  6. Step 6: Final answer
    x = 398,448.97

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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.