Home / 1,073,973.60-1,482,136.82-666,206.80

Finding the Fourth Proportional to 1,073,973.60, 1,482,136.82 and 666,206.80

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Solution

The fourth proportional to 1,073,973.60, 1,482,136.82 and 666,206.80 is: 919,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,973.60 : 1,482,136.82 = 666,206.80 : x
  2. Step 2: Convert to fraction form
    1,073,973.60/1,482,136.82 = 666,206.80/x
  3. Step 3: Cross multiply
    1,073,973.60x = 1,482,136.82 × 666,206.80
  4. Step 4: Simplify right side
    1,073,973.60x = 987,409,628,014.38
  5. Step 5: Solve for x
    x = 987,409,628,014.38/1,073,973.60
  6. Step 6: Final answer
    x = 919,398.42

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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.