Home / 1,297,866.20-1,791,044.82-717,087.50

Finding the Fourth Proportional to 1,297,866.20, 1,791,044.82 and 717,087.50

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Solution

The fourth proportional to 1,297,866.20, 1,791,044.82 and 717,087.50 is: 989,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,866.20 : 1,791,044.82 = 717,087.50 : x
  2. Step 2: Convert to fraction form
    1,297,866.20/1,791,044.82 = 717,087.50/x
  3. Step 3: Cross multiply
    1,297,866.20x = 1,791,044.82 × 717,087.50
  4. Step 4: Simplify right side
    1,297,866.20x = 1,284,335,852,361.75
  5. Step 5: Solve for x
    x = 1,284,335,852,361.75/1,297,866.20
  6. Step 6: Final answer
    x = 989,574.93

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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.