Home / 1,293,883.80-1,940,825.70-1,157,026.20

Finding the Fourth Proportional to 1,293,883.80, 1,940,825.70 and 1,157,026.20

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Solution

The fourth proportional to 1,293,883.80, 1,940,825.70 and 1,157,026.20 is: 1,735,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,883.80 : 1,940,825.70 = 1,157,026.20 : x
  2. Step 2: Convert to fraction form
    1,293,883.80/1,940,825.70 = 1,157,026.20/x
  3. Step 3: Cross multiply
    1,293,883.80x = 1,940,825.70 × 1,157,026.20
  4. Step 4: Simplify right side
    1,293,883.80x = 2,245,586,184,533.34
  5. Step 5: Solve for x
    x = 2,245,586,184,533.34/1,293,883.80
  6. Step 6: Final answer
    x = 1,735,539.30

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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.