Home / 1,112,033.70-1,668,050.55-663,261.30

Finding the Fourth Proportional to 1,112,033.70, 1,668,050.55 and 663,261.30

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Solution

The fourth proportional to 1,112,033.70, 1,668,050.55 and 663,261.30 is: 994,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,033.70 : 1,668,050.55 = 663,261.30 : x
  2. Step 2: Convert to fraction form
    1,112,033.70/1,668,050.55 = 663,261.30/x
  3. Step 3: Cross multiply
    1,112,033.70x = 1,668,050.55 × 663,261.30
  4. Step 4: Simplify right side
    1,112,033.70x = 1,106,353,376,258.72
  5. Step 5: Solve for x
    x = 1,106,353,376,258.72/1,112,033.70
  6. Step 6: Final answer
    x = 994,891.95

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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.