Home / 1,270,102.98-1,752,764.76-697,196.46

Finding the Fourth Proportional to 1,270,102.98, 1,752,764.76 and 697,196.46

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Solution

The fourth proportional to 1,270,102.98, 1,752,764.76 and 697,196.46 is: 962,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,102.98 : 1,752,764.76 = 697,196.46 : x
  2. Step 2: Convert to fraction form
    1,270,102.98/1,752,764.76 = 697,196.46/x
  3. Step 3: Cross multiply
    1,270,102.98x = 1,752,764.76 × 697,196.46
  4. Step 4: Simplify right side
    1,270,102.98x = 1,222,021,385,884.75
  5. Step 5: Solve for x
    x = 1,222,021,385,884.75/1,270,102.98
  6. Step 6: Final answer
    x = 962,143.55

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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.