Home / 1,073,973.53-1,482,136.67-666,206.75

Finding the Fourth Proportional to 1,073,973.53, 1,482,136.67 and 666,206.75

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Solution

The fourth proportional to 1,073,973.53, 1,482,136.67 and 666,206.75 is: 919,398.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,973.53 : 1,482,136.67 = 666,206.75 : x
  2. Step 2: Convert to fraction form
    1,073,973.53/1,482,136.67 = 666,206.75/x
  3. Step 3: Cross multiply
    1,073,973.53x = 1,482,136.67 × 666,206.75
  4. Step 4: Simplify right side
    1,073,973.53x = 987,409,453,976.52
  5. Step 5: Solve for x
    x = 987,409,453,976.52/1,073,973.53
  6. Step 6: Final answer
    x = 919,398.32

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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.