Home / 597,638.20-895,436.70-281,446.60

Finding the Fourth Proportional to 597,638.20, 895,436.70 and 281,446.60

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Solution

The fourth proportional to 597,638.20, 895,436.70 and 281,446.60 is: 421,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,638.20 : 895,436.70 = 281,446.60 : x
  2. Step 2: Convert to fraction form
    597,638.20/895,436.70 = 281,446.60/x
  3. Step 3: Cross multiply
    597,638.20x = 895,436.70 × 281,446.60
  4. Step 4: Simplify right side
    597,638.20x = 252,017,614,730.22
  5. Step 5: Solve for x
    x = 252,017,614,730.22/597,638.20
  6. Step 6: Final answer
    x = 421,689.27

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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.