Home / 379,511.12-569,360.10-267,410.25

Finding the Fourth Proportional to 379,511.12, 569,360.10 and 267,410.25

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Solution

The fourth proportional to 379,511.12, 569,360.10 and 267,410.25 is: 401,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,511.12 : 569,360.10 = 267,410.25 : x
  2. Step 2: Convert to fraction form
    379,511.12/569,360.10 = 267,410.25/x
  3. Step 3: Cross multiply
    379,511.12x = 569,360.10 × 267,410.25
  4. Step 4: Simplify right side
    379,511.12x = 152,252,726,681.03
  5. Step 5: Solve for x
    x = 152,252,726,681.03/379,511.12
  6. Step 6: Final answer
    x = 401,181.21

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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.