Home / 1,144,608.30-1,717,690.05-639,168.30

Finding the Fourth Proportional to 1,144,608.30, 1,717,690.05 and 639,168.30

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Solution

The fourth proportional to 1,144,608.30, 1,717,690.05 and 639,168.30 is: 959,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,608.30 : 1,717,690.05 = 639,168.30 : x
  2. Step 2: Convert to fraction form
    1,144,608.30/1,717,690.05 = 639,168.30/x
  3. Step 3: Cross multiply
    1,144,608.30x = 1,717,690.05 × 639,168.30
  4. Step 4: Simplify right side
    1,144,608.30x = 1,097,893,029,185.42
  5. Step 5: Solve for x
    x = 1,097,893,029,185.42/1,144,608.30
  6. Step 6: Final answer
    x = 959,186.67

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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.