Home / 1,073,554.70-1,481,362.16-665,507.89

Finding the Fourth Proportional to 1,073,554.70, 1,481,362.16 and 665,507.89

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Solution

The fourth proportional to 1,073,554.70, 1,481,362.16 and 665,507.89 is: 918,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,554.70 : 1,481,362.16 = 665,507.89 : x
  2. Step 2: Convert to fraction form
    1,073,554.70/1,481,362.16 = 665,507.89/x
  3. Step 3: Cross multiply
    1,073,554.70x = 1,481,362.16 × 665,507.89
  4. Step 4: Simplify right side
    1,073,554.70x = 985,858,198,020.63
  5. Step 5: Solve for x
    x = 985,858,198,020.63/1,073,554.70
  6. Step 6: Final answer
    x = 918,312.03

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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.