Home / 766,858.44-1,058,140.14-444,505.56

Finding the Fourth Proportional to 766,858.44, 1,058,140.14 and 444,505.56

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Solution

The fourth proportional to 766,858.44, 1,058,140.14 and 444,505.56 is: 613,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,858.44 : 1,058,140.14 = 444,505.56 : x
  2. Step 2: Convert to fraction form
    766,858.44/1,058,140.14 = 444,505.56/x
  3. Step 3: Cross multiply
    766,858.44x = 1,058,140.14 × 444,505.56
  4. Step 4: Simplify right side
    766,858.44x = 470,349,175,489.18
  5. Step 5: Solve for x
    x = 470,349,175,489.18/766,858.44
  6. Step 6: Final answer
    x = 613,345.50

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Double scale
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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.