Home / 1,338,509.21-1,846,458.23-854,565.57

Finding the Fourth Proportional to 1,338,509.21, 1,846,458.23 and 854,565.57

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Solution

The fourth proportional to 1,338,509.21, 1,846,458.23 and 854,565.57 is: 1,178,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,509.21 : 1,846,458.23 = 854,565.57 : x
  2. Step 2: Convert to fraction form
    1,338,509.21/1,846,458.23 = 854,565.57/x
  3. Step 3: Cross multiply
    1,338,509.21x = 1,846,458.23 × 854,565.57
  4. Step 4: Simplify right side
    1,338,509.21x = 1,577,919,625,528.31
  5. Step 5: Solve for x
    x = 1,577,919,625,528.31/1,338,509.21
  6. Step 6: Final answer
    x = 1,178,863.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.