Home / 1,132,536.21-1,698,807.81-279,607.95

Finding the Fourth Proportional to 1,132,536.21, 1,698,807.81 and 279,607.95

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Solution

The fourth proportional to 1,132,536.21, 1,698,807.81 and 279,607.95 is: 419,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,536.21 : 1,698,807.81 = 279,607.95 : x
  2. Step 2: Convert to fraction form
    1,132,536.21/1,698,807.81 = 279,607.95/x
  3. Step 3: Cross multiply
    1,132,536.21x = 1,698,807.81 × 279,607.95
  4. Step 4: Simplify right side
    1,132,536.21x = 475,000,169,198.09
  5. Step 5: Solve for x
    x = 475,000,169,198.09/1,132,536.21
  6. Step 6: Final answer
    x = 419,412.79

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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.