Home / 1,180,000.11-1,770,946.01-611,543.73

Finding the Fourth Proportional to 1,180,000.11, 1,770,946.01 and 611,543.73

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Solution

The fourth proportional to 1,180,000.11, 1,770,946.01 and 611,543.73 is: 917,805.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,000.11 : 1,770,946.01 = 611,543.73 : x
  2. Step 2: Convert to fraction form
    1,180,000.11/1,770,946.01 = 611,543.73/x
  3. Step 3: Cross multiply
    1,180,000.11x = 1,770,946.01 × 611,543.73
  4. Step 4: Simplify right side
    1,180,000.11x = 1,083,010,916,671.57
  5. Step 5: Solve for x
    x = 1,083,010,916,671.57/1,180,000.11
  6. Step 6: Final answer
    x = 917,805.78

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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.