Home / 535,418.06-802,615.11-198,368.25

Finding the Fourth Proportional to 535,418.06, 802,615.11 and 198,368.25

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Solution

The fourth proportional to 535,418.06, 802,615.11 and 198,368.25 is: 297,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,418.06 : 802,615.11 = 198,368.25 : x
  2. Step 2: Convert to fraction form
    535,418.06/802,615.11 = 198,368.25/x
  3. Step 3: Cross multiply
    535,418.06x = 802,615.11 × 198,368.25
  4. Step 4: Simplify right side
    535,418.06x = 159,213,350,781.18
  5. Step 5: Solve for x
    x = 159,213,350,781.18/535,418.06
  6. Step 6: Final answer
    x = 297,362.69

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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.