Home / 1,144,125-1,714,989.96-385,704.36

Finding the Fourth Proportional to 1,144,125, 1,714,989.96 and 385,704.36

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Solution

The fourth proportional to 1,144,125, 1,714,989.96 and 385,704.36 is: 578,152.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,125 : 1,714,989.96 = 385,704.36 : x
  2. Step 2: Convert to fraction form
    1,144,125/1,714,989.96 = 385,704.36/x
  3. Step 3: Cross multiply
    1,144,125x = 1,714,989.96 × 385,704.36
  4. Step 4: Simplify right side
    1,144,125x = 661,479,104,928.23
  5. Step 5: Solve for x
    x = 661,479,104,928.23/1,144,125
  6. Step 6: Final answer
    x = 578,152.83

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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.