Home / 1,270,661.42-1,753,512.77-697,701.59

Finding the Fourth Proportional to 1,270,661.42, 1,753,512.77 and 697,701.59

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Solution

The fourth proportional to 1,270,661.42, 1,753,512.77 and 697,701.59 is: 962,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,661.42 : 1,753,512.77 = 697,701.59 : x
  2. Step 2: Convert to fraction form
    1,270,661.42/1,753,512.77 = 697,701.59/x
  3. Step 3: Cross multiply
    1,270,661.42x = 1,753,512.77 × 697,701.59
  4. Step 4: Simplify right side
    1,270,661.42x = 1,223,428,653,842.34
  5. Step 5: Solve for x
    x = 1,223,428,653,842.34/1,270,661.42
  6. Step 6: Final answer
    x = 962,828.20

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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.