Home / 1,392,999.74-2,089,502.88-382,136.36

Finding the Fourth Proportional to 1,392,999.74, 2,089,502.88 and 382,136.36

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Solution

The fourth proportional to 1,392,999.74, 2,089,502.88 and 382,136.36 is: 573,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,999.74 : 2,089,502.88 = 382,136.36 : x
  2. Step 2: Convert to fraction form
    1,392,999.74/2,089,502.88 = 382,136.36/x
  3. Step 3: Cross multiply
    1,392,999.74x = 2,089,502.88 × 382,136.36
  4. Step 4: Simplify right side
    1,392,999.74x = 798,475,024,772.72
  5. Step 5: Solve for x
    x = 798,475,024,772.72/1,392,999.74
  6. Step 6: Final answer
    x = 573,205.44

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1.5x scale

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.