Home / 1,158,409.80-1,737,614.70-1,119,702.60

Finding the Fourth Proportional to 1,158,409.80, 1,737,614.70 and 1,119,702.60

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Solution

The fourth proportional to 1,158,409.80, 1,737,614.70 and 1,119,702.60 is: 1,679,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,409.80 : 1,737,614.70 = 1,119,702.60 : x
  2. Step 2: Convert to fraction form
    1,158,409.80/1,737,614.70 = 1,119,702.60/x
  3. Step 3: Cross multiply
    1,158,409.80x = 1,737,614.70 × 1,119,702.60
  4. Step 4: Simplify right side
    1,158,409.80x = 1,945,611,697,388.22
  5. Step 5: Solve for x
    x = 1,945,611,697,388.22/1,158,409.80
  6. Step 6: Final answer
    x = 1,679,553.90

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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.