Home / 348,779.40-481,284.18-203,597.78

Finding the Fourth Proportional to 348,779.40, 481,284.18 and 203,597.78

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Solution

The fourth proportional to 348,779.40, 481,284.18 and 203,597.78 is: 280,946.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,779.40 : 481,284.18 = 203,597.78 : x
  2. Step 2: Convert to fraction form
    348,779.40/481,284.18 = 203,597.78/x
  3. Step 3: Cross multiply
    348,779.40x = 481,284.18 × 203,597.78
  4. Step 4: Simplify right side
    348,779.40x = 97,988,390,597.12
  5. Step 5: Solve for x
    x = 97,988,390,597.12/348,779.40
  6. Step 6: Final answer
    x = 280,946.61

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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.