Home / 535,381.85-738,821.09-293,663.54

Finding the Fourth Proportional to 535,381.85, 738,821.09 and 293,663.54

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Solution

The fourth proportional to 535,381.85, 738,821.09 and 293,663.54 is: 405,252.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,381.85 : 738,821.09 = 293,663.54 : x
  2. Step 2: Convert to fraction form
    535,381.85/738,821.09 = 293,663.54/x
  3. Step 3: Cross multiply
    535,381.85x = 738,821.09 × 293,663.54
  4. Step 4: Simplify right side
    535,381.85x = 216,964,813,756.11
  5. Step 5: Solve for x
    x = 216,964,813,756.11/535,381.85
  6. Step 6: Final answer
    x = 405,252.47

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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.