Home / 1,639,912.32-2,262,852.72-914,675.04

Finding the Fourth Proportional to 1,639,912.32, 2,262,852.72 and 914,675.04

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Solution

The fourth proportional to 1,639,912.32, 2,262,852.72 and 914,675.04 is: 1,262,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,912.32 : 2,262,852.72 = 914,675.04 : x
  2. Step 2: Convert to fraction form
    1,639,912.32/2,262,852.72 = 914,675.04/x
  3. Step 3: Cross multiply
    1,639,912.32x = 2,262,852.72 × 914,675.04
  4. Step 4: Simplify right side
    1,639,912.32x = 2,069,774,902,180.11
  5. Step 5: Solve for x
    x = 2,069,774,902,180.11/1,639,912.32
  6. Step 6: Final answer
    x = 1,262,125.34

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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.