Home / 1,226,229.09-1,838,807.42-618,643.59

Finding the Fourth Proportional to 1,226,229.09, 1,838,807.42 and 618,643.59

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Solution

The fourth proportional to 1,226,229.09, 1,838,807.42 and 618,643.59 is: 927,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,229.09 : 1,838,807.42 = 618,643.59 : x
  2. Step 2: Convert to fraction form
    1,226,229.09/1,838,807.42 = 618,643.59/x
  3. Step 3: Cross multiply
    1,226,229.09x = 1,838,807.42 × 618,643.59
  4. Step 4: Simplify right side
    1,226,229.09x = 1,137,566,420,534.22
  5. Step 5: Solve for x
    x = 1,137,566,420,534.22/1,226,229.09
  6. Step 6: Final answer
    x = 927,694.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.