Home / 1,412,713.35-1,949,548.64-768,136.05

Finding the Fourth Proportional to 1,412,713.35, 1,949,548.64 and 768,136.05

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Solution

The fourth proportional to 1,412,713.35, 1,949,548.64 and 768,136.05 is: 1,060,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,713.35 : 1,949,548.64 = 768,136.05 : x
  2. Step 2: Convert to fraction form
    1,412,713.35/1,949,548.64 = 768,136.05/x
  3. Step 3: Cross multiply
    1,412,713.35x = 1,949,548.64 × 768,136.05
  4. Step 4: Simplify right side
    1,412,713.35x = 1,497,518,587,771.79
  5. Step 5: Solve for x
    x = 1,497,518,587,771.79/1,412,713.35
  6. Step 6: Final answer
    x = 1,060,030.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.