Home / 766,515.51-1,057,557.24-444,163.32

Finding the Fourth Proportional to 766,515.51, 1,057,557.24 and 444,163.32

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Solution

The fourth proportional to 766,515.51, 1,057,557.24 and 444,163.32 is: 612,809.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,515.51 : 1,057,557.24 = 444,163.32 : x
  2. Step 2: Convert to fraction form
    766,515.51/1,057,557.24 = 444,163.32/x
  3. Step 3: Cross multiply
    766,515.51x = 1,057,557.24 × 444,163.32
  4. Step 4: Simplify right side
    766,515.51x = 469,728,134,808.44
  5. Step 5: Solve for x
    x = 469,728,134,808.44/766,515.51
  6. Step 6: Final answer
    x = 612,809.69

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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.