Home / 379,521.92-569,376.32-267,421.02

Finding the Fourth Proportional to 379,521.92, 569,376.32 and 267,421.02

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Solution

The fourth proportional to 379,521.92, 569,376.32 and 267,421.02 is: 401,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,521.92 : 569,376.32 = 267,421.02 : x
  2. Step 2: Convert to fraction form
    379,521.92/569,376.32 = 267,421.02/x
  3. Step 3: Cross multiply
    379,521.92x = 569,376.32 × 267,421.02
  4. Step 4: Simplify right side
    379,521.92x = 152,263,194,921.14
  5. Step 5: Solve for x
    x = 152,263,194,921.14/379,521.92
  6. Step 6: Final answer
    x = 401,197.37

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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.