Home / 766,772.41-1,058,145.96-444,669.31

Finding the Fourth Proportional to 766,772.41, 1,058,145.96 and 444,669.31

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Solution

The fourth proportional to 766,772.41, 1,058,145.96 and 444,669.31 is: 613,643.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,772.41 : 1,058,145.96 = 444,669.31 : x
  2. Step 2: Convert to fraction form
    766,772.41/1,058,145.96 = 444,669.31/x
  3. Step 3: Cross multiply
    766,772.41x = 1,058,145.96 × 444,669.31
  4. Step 4: Simplify right side
    766,772.41x = 470,525,033,912.49
  5. Step 5: Solve for x
    x = 470,525,033,912.49/766,772.41
  6. Step 6: Final answer
    x = 613,643.67

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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.