Home / 385,860.08-578,784.72-234,093.36

Finding the Fourth Proportional to 385,860.08, 578,784.72 and 234,093.36

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Solution

The fourth proportional to 385,860.08, 578,784.72 and 234,093.36 is: 351,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,860.08 : 578,784.72 = 234,093.36 : x
  2. Step 2: Convert to fraction form
    385,860.08/578,784.72 = 234,093.36/x
  3. Step 3: Cross multiply
    385,860.08x = 578,784.72 × 234,093.36
  4. Step 4: Simplify right side
    385,860.08x = 135,489,659,821.46
  5. Step 5: Solve for x
    x = 135,489,659,821.46/385,860.08
  6. Step 6: Final answer
    x = 351,136.76

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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.