Home / 531,718.41-733,645.20-302,257.56

Finding the Fourth Proportional to 531,718.41, 733,645.20 and 302,257.56

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Solution

The fourth proportional to 531,718.41, 733,645.20 and 302,257.56 is: 417,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,718.41 : 733,645.20 = 302,257.56 : x
  2. Step 2: Convert to fraction form
    531,718.41/733,645.20 = 302,257.56/x
  3. Step 3: Cross multiply
    531,718.41x = 733,645.20 × 302,257.56
  4. Step 4: Simplify right side
    531,718.41x = 221,749,802,878.20
  5. Step 5: Solve for x
    x = 221,749,802,878.20/531,718.41
  6. Step 6: Final answer
    x = 417,043.68

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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.