Home / 482,272.08-665,543.44-267,421.20

Finding the Fourth Proportional to 482,272.08, 665,543.44 and 267,421.20

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Solution

The fourth proportional to 482,272.08, 665,543.44 and 267,421.20 is: 369,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,272.08 : 665,543.44 = 267,421.20 : x
  2. Step 2: Convert to fraction form
    482,272.08/665,543.44 = 267,421.20/x
  3. Step 3: Cross multiply
    482,272.08x = 665,543.44 × 267,421.20
  4. Step 4: Simplify right side
    482,272.08x = 177,980,425,376.93
  5. Step 5: Solve for x
    x = 177,980,425,376.93/482,272.08
  6. Step 6: Final answer
    x = 369,045.68

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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.