Home / 669,136.60-1,003,607.70-195,772.60

Finding the Fourth Proportional to 669,136.60, 1,003,607.70 and 195,772.60

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Solution

The fourth proportional to 669,136.60, 1,003,607.70 and 195,772.60 is: 293,630.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,136.60 : 1,003,607.70 = 195,772.60 : x
  2. Step 2: Convert to fraction form
    669,136.60/1,003,607.70 = 195,772.60/x
  3. Step 3: Cross multiply
    669,136.60x = 1,003,607.70 × 195,772.60
  4. Step 4: Simplify right side
    669,136.60x = 196,478,888,809.02
  5. Step 5: Solve for x
    x = 196,478,888,809.02/669,136.60
  6. Step 6: Final answer
    x = 293,630.46

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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.