Home / 1,270,117.98-1,752,768.45-697,162.86

Finding the Fourth Proportional to 1,270,117.98, 1,752,768.45 and 697,162.86

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Solution

The fourth proportional to 1,270,117.98, 1,752,768.45 and 697,162.86 is: 962,087.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,117.98 : 1,752,768.45 = 697,162.86 : x
  2. Step 2: Convert to fraction form
    1,270,117.98/1,752,768.45 = 697,162.86/x
  3. Step 3: Cross multiply
    1,270,117.98x = 1,752,768.45 × 697,162.86
  4. Step 4: Simplify right side
    1,270,117.98x = 1,221,965,065,519.77
  5. Step 5: Solve for x
    x = 1,221,965,065,519.77/1,270,117.98
  6. Step 6: Final answer
    x = 962,087.84

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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.