Home / 1,112,183.68-1,668,017.92-663,030.40

Finding the Fourth Proportional to 1,112,183.68, 1,668,017.92 and 663,030.40

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Solution

The fourth proportional to 1,112,183.68, 1,668,017.92 and 663,030.40 is: 994,392.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,183.68 : 1,668,017.92 = 663,030.40 : x
  2. Step 2: Convert to fraction form
    1,112,183.68/1,668,017.92 = 663,030.40/x
  3. Step 3: Cross multiply
    1,112,183.68x = 1,668,017.92 × 663,030.40
  4. Step 4: Simplify right side
    1,112,183.68x = 1,105,946,588,704.77
  5. Step 5: Solve for x
    x = 1,105,946,588,704.77/1,112,183.68
  6. Step 6: Final answer
    x = 994,392.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.