Home / 692,522.92-1,038,822.18-219,172.96

Finding the Fourth Proportional to 692,522.92, 1,038,822.18 and 219,172.96

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Solution

The fourth proportional to 692,522.92, 1,038,822.18 and 219,172.96 is: 328,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,522.92 : 1,038,822.18 = 219,172.96 : x
  2. Step 2: Convert to fraction form
    692,522.92/1,038,822.18 = 219,172.96/x
  3. Step 3: Cross multiply
    692,522.92x = 1,038,822.18 × 219,172.96
  4. Step 4: Simplify right side
    692,522.92x = 227,681,732,104.25
  5. Step 5: Solve for x
    x = 227,681,732,104.25/692,522.92
  6. Step 6: Final answer
    x = 328,771.40

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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.