Home / 1,271,393.09-1,754,554.12-690,616.04

Finding the Fourth Proportional to 1,271,393.09, 1,754,554.12 and 690,616.04

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Solution

The fourth proportional to 1,271,393.09, 1,754,554.12 and 690,616.04 is: 953,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,393.09 : 1,754,554.12 = 690,616.04 : x
  2. Step 2: Convert to fraction form
    1,271,393.09/1,754,554.12 = 690,616.04/x
  3. Step 3: Cross multiply
    1,271,393.09x = 1,754,554.12 × 690,616.04
  4. Step 4: Simplify right side
    1,271,393.09x = 1,211,723,226,247.00
  5. Step 5: Solve for x
    x = 1,211,723,226,247.00/1,271,393.09
  6. Step 6: Final answer
    x = 953,067.34

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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.