Home / 1,028,694.76-1,419,583.77-569,807.80

Finding the Fourth Proportional to 1,028,694.76, 1,419,583.77 and 569,807.80

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Solution

The fourth proportional to 1,028,694.76, 1,419,583.77 and 569,807.80 is: 786,326.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,694.76 : 1,419,583.77 = 569,807.80 : x
  2. Step 2: Convert to fraction form
    1,028,694.76/1,419,583.77 = 569,807.80/x
  3. Step 3: Cross multiply
    1,028,694.76x = 1,419,583.77 × 569,807.80
  4. Step 4: Simplify right side
    1,028,694.76x = 808,889,904,899.41
  5. Step 5: Solve for x
    x = 808,889,904,899.41/1,028,694.76
  6. Step 6: Final answer
    x = 786,326.46

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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.