Home / 1,288,196.46-1,778,103.36-804,453.66

Finding the Fourth Proportional to 1,288,196.46, 1,778,103.36 and 804,453.66

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Solution

The fourth proportional to 1,288,196.46, 1,778,103.36 and 804,453.66 is: 1,110,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,196.46 : 1,778,103.36 = 804,453.66 : x
  2. Step 2: Convert to fraction form
    1,288,196.46/1,778,103.36 = 804,453.66/x
  3. Step 3: Cross multiply
    1,288,196.46x = 1,778,103.36 × 804,453.66
  4. Step 4: Simplify right side
    1,288,196.46x = 1,430,401,755,810.30
  5. Step 5: Solve for x
    x = 1,430,401,755,810.30/1,288,196.46
  6. Step 6: Final answer
    x = 1,110,391.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.