Home / 1,226,582.20-1,839,743.86-328,114.60

Finding the Fourth Proportional to 1,226,582.20, 1,839,743.86 and 328,114.60

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Solution

The fourth proportional to 1,226,582.20, 1,839,743.86 and 328,114.60 is: 492,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,582.20 : 1,839,743.86 = 328,114.60 : x
  2. Step 2: Convert to fraction form
    1,226,582.20/1,839,743.86 = 328,114.60/x
  3. Step 3: Cross multiply
    1,226,582.20x = 1,839,743.86 × 328,114.60
  4. Step 4: Simplify right side
    1,226,582.20x = 603,646,820,726.36
  5. Step 5: Solve for x
    x = 603,646,820,726.36/1,226,582.20
  6. Step 6: Final answer
    x = 492,137.27

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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.