Home / 1,853,473.05-2,780,168.54-505,611.45

Finding the Fourth Proportional to 1,853,473.05, 2,780,168.54 and 505,611.45

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Solution

The fourth proportional to 1,853,473.05, 2,780,168.54 and 505,611.45 is: 758,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,473.05 : 2,780,168.54 = 505,611.45 : x
  2. Step 2: Convert to fraction form
    1,853,473.05/2,780,168.54 = 505,611.45/x
  3. Step 3: Cross multiply
    1,853,473.05x = 2,780,168.54 × 505,611.45
  4. Step 4: Simplify right side
    1,853,473.05x = 1,405,685,044,225.73
  5. Step 5: Solve for x
    x = 1,405,685,044,225.73/1,853,473.05
  6. Step 6: Final answer
    x = 758,405.98

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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.