Home / 1,192,172.42-1,788,065.04-327,405.08

Finding the Fourth Proportional to 1,192,172.42, 1,788,065.04 and 327,405.08

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Solution

The fourth proportional to 1,192,172.42, 1,788,065.04 and 327,405.08 is: 491,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,172.42 : 1,788,065.04 = 327,405.08 : x
  2. Step 2: Convert to fraction form
    1,192,172.42/1,788,065.04 = 327,405.08/x
  3. Step 3: Cross multiply
    1,192,172.42x = 1,788,065.04 × 327,405.08
  4. Step 4: Simplify right side
    1,192,172.42x = 585,421,577,466.40
  5. Step 5: Solve for x
    x = 585,421,577,466.40/1,192,172.42
  6. Step 6: Final answer
    x = 491,054.45

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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.