Home / 1,391,736.96-2,084,060.88-916,983.36

Finding the Fourth Proportional to 1,391,736.96, 2,084,060.88 and 916,983.36

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Solution

The fourth proportional to 1,391,736.96, 2,084,060.88 and 916,983.36 is: 1,373,139.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,736.96 : 2,084,060.88 = 916,983.36 : x
  2. Step 2: Convert to fraction form
    1,391,736.96/2,084,060.88 = 916,983.36/x
  3. Step 3: Cross multiply
    1,391,736.96x = 2,084,060.88 × 916,983.36
  4. Step 4: Simplify right side
    1,391,736.96x = 1,911,049,148,186.96
  5. Step 5: Solve for x
    x = 1,911,049,148,186.96/1,391,736.96
  6. Step 6: Final answer
    x = 1,373,139.61

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