Home / 674,768.90-931,181.04-368,846.57

Finding the Fourth Proportional to 674,768.90, 931,181.04 and 368,846.57

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Solution

The fourth proportional to 674,768.90, 931,181.04 and 368,846.57 is: 509,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,768.90 : 931,181.04 = 368,846.57 : x
  2. Step 2: Convert to fraction form
    674,768.90/931,181.04 = 368,846.57/x
  3. Step 3: Cross multiply
    674,768.90x = 931,181.04 × 368,846.57
  4. Step 4: Simplify right side
    674,768.90x = 343,462,927,997.13
  5. Step 5: Solve for x
    x = 343,462,927,997.13/674,768.90
  6. Step 6: Final answer
    x = 509,008.24

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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.