Home / 766,714.01-1,058,072.49-422,562.22

Finding the Fourth Proportional to 766,714.01, 1,058,072.49 and 422,562.22

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Solution

The fourth proportional to 766,714.01, 1,058,072.49 and 422,562.22 is: 583,139.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,714.01 : 1,058,072.49 = 422,562.22 : x
  2. Step 2: Convert to fraction form
    766,714.01/1,058,072.49 = 422,562.22/x
  3. Step 3: Cross multiply
    766,714.01x = 1,058,072.49 × 422,562.22
  4. Step 4: Simplify right side
    766,714.01x = 447,101,460,295.33
  5. Step 5: Solve for x
    x = 447,101,460,295.33/766,714.01
  6. Step 6: Final answer
    x = 583,139.81

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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.