Home / 1,385,296-1,911,689.84-773,458.16

Finding the Fourth Proportional to 1,385,296, 1,911,689.84 and 773,458.16

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Solution

The fourth proportional to 1,385,296, 1,911,689.84 and 773,458.16 is: 1,067,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,296 : 1,911,689.84 = 773,458.16 : x
  2. Step 2: Convert to fraction form
    1,385,296/1,911,689.84 = 773,458.16/x
  3. Step 3: Cross multiply
    1,385,296x = 1,911,689.84 × 773,458.16
  4. Step 4: Simplify right side
    1,385,296x = 1,478,612,106,137.09
  5. Step 5: Solve for x
    x = 1,478,612,106,137.09/1,385,296
  6. Step 6: Final answer
    x = 1,067,361.85

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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.