Home / 1,136,712.80-1,705,152.90-327,064.34

Finding the Fourth Proportional to 1,136,712.80, 1,705,152.90 and 327,064.34

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Solution

The fourth proportional to 1,136,712.80, 1,705,152.90 and 327,064.34 is: 490,620.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,712.80 : 1,705,152.90 = 327,064.34 : x
  2. Step 2: Convert to fraction form
    1,136,712.80/1,705,152.90 = 327,064.34/x
  3. Step 3: Cross multiply
    1,136,712.80x = 1,705,152.90 × 327,064.34
  4. Step 4: Simplify right side
    1,136,712.80x = 557,694,707,837.59
  5. Step 5: Solve for x
    x = 557,694,707,837.59/1,136,712.80
  6. Step 6: Final answer
    x = 490,620.59

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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.