Home / 766,662.54-1,057,969.49-440,029.31

Finding the Fourth Proportional to 766,662.54, 1,057,969.49 and 440,029.31

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Solution

The fourth proportional to 766,662.54, 1,057,969.49 and 440,029.31 is: 607,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,662.54 : 1,057,969.49 = 440,029.31 : x
  2. Step 2: Convert to fraction form
    766,662.54/1,057,969.49 = 440,029.31/x
  3. Step 3: Cross multiply
    766,662.54x = 1,057,969.49 × 440,029.31
  4. Step 4: Simplify right side
    766,662.54x = 465,537,577,195.76
  5. Step 5: Solve for x
    x = 465,537,577,195.76/766,662.54
  6. Step 6: Final answer
    x = 607,226.20

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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.