Home / 1,669,871.28-2,304,423.18-905,924.64

Finding the Fourth Proportional to 1,669,871.28, 2,304,423.18 and 905,924.64

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Solution

The fourth proportional to 1,669,871.28, 2,304,423.18 and 905,924.64 is: 1,250,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,871.28 : 2,304,423.18 = 905,924.64 : x
  2. Step 2: Convert to fraction form
    1,669,871.28/2,304,423.18 = 905,924.64/x
  3. Step 3: Cross multiply
    1,669,871.28x = 2,304,423.18 × 905,924.64
  4. Step 4: Simplify right side
    1,669,871.28x = 2,087,633,739,749.16
  5. Step 5: Solve for x
    x = 2,087,633,739,749.16/1,669,871.28
  6. Step 6: Final answer
    x = 1,250,176.44

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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.