Home / 1,203,208.28-1,660,427.46-666,664.28

Finding the Fourth Proportional to 1,203,208.28, 1,660,427.46 and 666,664.28

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Solution

The fourth proportional to 1,203,208.28, 1,660,427.46 and 666,664.28 is: 919,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,208.28 : 1,660,427.46 = 666,664.28 : x
  2. Step 2: Convert to fraction form
    1,203,208.28/1,660,427.46 = 666,664.28/x
  3. Step 3: Cross multiply
    1,203,208.28x = 1,660,427.46 × 666,664.28
  4. Step 4: Simplify right side
    1,203,208.28x = 1,106,947,677,113.13
  5. Step 5: Solve for x
    x = 1,106,947,677,113.13/1,203,208.28
  6. Step 6: Final answer
    x = 919,996.73

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1.5x scale

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.