Home / 1,619,763.30-2,235,521.72-999,929.43

Finding the Fourth Proportional to 1,619,763.30, 2,235,521.72 and 999,929.43

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Solution

The fourth proportional to 1,619,763.30, 2,235,521.72 and 999,929.43 is: 1,380,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,763.30 : 2,235,521.72 = 999,929.43 : x
  2. Step 2: Convert to fraction form
    1,619,763.30/2,235,521.72 = 999,929.43/x
  3. Step 3: Cross multiply
    1,619,763.30x = 2,235,521.72 × 999,929.43
  4. Step 4: Simplify right side
    1,619,763.30x = 2,235,363,954,232.57
  5. Step 5: Solve for x
    x = 2,235,363,954,232.57/1,619,763.30
  6. Step 6: Final answer
    x = 1,380,055.93

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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.