Home / 1,226,578.96-1,839,739-328,111.40

Finding the Fourth Proportional to 1,226,578.96, 1,839,739 and 328,111.40

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Solution

The fourth proportional to 1,226,578.96, 1,839,739 and 328,111.40 is: 492,132.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,578.96 : 1,839,739 = 328,111.40 : x
  2. Step 2: Convert to fraction form
    1,226,578.96/1,839,739 = 328,111.40/x
  3. Step 3: Cross multiply
    1,226,578.96x = 1,839,739 × 328,111.40
  4. Step 4: Simplify right side
    1,226,578.96x = 603,639,338,924.60
  5. Step 5: Solve for x
    x = 603,639,338,924.60/1,226,578.96
  6. Step 6: Final answer
    x = 492,132.47

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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.