Home / 1,511,563.32-2,085,595.08-858,043.98

Finding the Fourth Proportional to 1,511,563.32, 2,085,595.08 and 858,043.98

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Solution

The fourth proportional to 1,511,563.32, 2,085,595.08 and 858,043.98 is: 1,183,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,563.32 : 2,085,595.08 = 858,043.98 : x
  2. Step 2: Convert to fraction form
    1,511,563.32/2,085,595.08 = 858,043.98/x
  3. Step 3: Cross multiply
    1,511,563.32x = 2,085,595.08 × 858,043.98
  4. Step 4: Simplify right side
    1,511,563.32x = 1,789,532,303,111.62
  5. Step 5: Solve for x
    x = 1,789,532,303,111.62/1,511,563.32
  6. Step 6: Final answer
    x = 1,183,895.03

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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.