Home / 1,248,315.33-1,722,658.14-697,039.55

Finding the Fourth Proportional to 1,248,315.33, 1,722,658.14 and 697,039.55

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Solution

The fourth proportional to 1,248,315.33, 1,722,658.14 and 697,039.55 is: 961,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,315.33 : 1,722,658.14 = 697,039.55 : x
  2. Step 2: Convert to fraction form
    1,248,315.33/1,722,658.14 = 697,039.55/x
  3. Step 3: Cross multiply
    1,248,315.33x = 1,722,658.14 × 697,039.55
  4. Step 4: Simplify right side
    1,248,315.33x = 1,200,760,859,361.51
  5. Step 5: Solve for x
    x = 1,200,760,859,361.51/1,248,315.33
  6. Step 6: Final answer
    x = 961,905.08

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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.