Home / 1,159,166.72-1,737,522.84-389,932.12

Finding the Fourth Proportional to 1,159,166.72, 1,737,522.84 and 389,932.12

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Solution

The fourth proportional to 1,159,166.72, 1,737,522.84 and 389,932.12 is: 584,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,166.72 : 1,737,522.84 = 389,932.12 : x
  2. Step 2: Convert to fraction form
    1,159,166.72/1,737,522.84 = 389,932.12/x
  3. Step 3: Cross multiply
    1,159,166.72x = 1,737,522.84 × 389,932.12
  4. Step 4: Simplify right side
    1,159,166.72x = 677,515,964,549.62
  5. Step 5: Solve for x
    x = 677,515,964,549.62/1,159,166.72
  6. Step 6: Final answer
    x = 584,485.35

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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.