Home / 766,762.44-1,058,139.30-422,610.92

Finding the Fourth Proportional to 766,762.44, 1,058,139.30 and 422,610.92

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Solution

The fourth proportional to 766,762.44, 1,058,139.30 and 422,610.92 is: 583,207.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,762.44 : 1,058,139.30 = 422,610.92 : x
  2. Step 2: Convert to fraction form
    766,762.44/1,058,139.30 = 422,610.92/x
  3. Step 3: Cross multiply
    766,762.44x = 1,058,139.30 × 422,610.92
  4. Step 4: Simplify right side
    766,762.44x = 447,181,223,061.16
  5. Step 5: Solve for x
    x = 447,181,223,061.16/766,762.44
  6. Step 6: Final answer
    x = 583,207.00

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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.