Home / 1,226,565.21-1,839,718.38-328,097.61

Finding the Fourth Proportional to 1,226,565.21, 1,839,718.38 and 328,097.61

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Solution

The fourth proportional to 1,226,565.21, 1,839,718.38 and 328,097.61 is: 492,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,565.21 : 1,839,718.38 = 328,097.61 : x
  2. Step 2: Convert to fraction form
    1,226,565.21/1,839,718.38 = 328,097.61/x
  3. Step 3: Cross multiply
    1,226,565.21x = 1,839,718.38 × 328,097.61
  4. Step 4: Simplify right side
    1,226,565.21x = 603,607,203,551.07
  5. Step 5: Solve for x
    x = 603,607,203,551.07/1,226,565.21
  6. Step 6: Final answer
    x = 492,111.79

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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.