Home / 766,399.12-1,057,631.07-444,295.94

Finding the Fourth Proportional to 766,399.12, 1,057,631.07 and 444,295.94

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Solution

The fourth proportional to 766,399.12, 1,057,631.07 and 444,295.94 is: 613,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,399.12 : 1,057,631.07 = 444,295.94 : x
  2. Step 2: Convert to fraction form
    766,399.12/1,057,631.07 = 444,295.94/x
  3. Step 3: Cross multiply
    766,399.12x = 1,057,631.07 × 444,295.94
  4. Step 4: Simplify right side
    766,399.12x = 469,901,186,796.81
  5. Step 5: Solve for x
    x = 469,901,186,796.81/766,399.12
  6. Step 6: Final answer
    x = 613,128.56

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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.