Home / 766,775.97-1,058,331.02-476,606.43

Finding the Fourth Proportional to 766,775.97, 1,058,331.02 and 476,606.43

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Solution

The fourth proportional to 766,775.97, 1,058,331.02 and 476,606.43 is: 657,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,775.97 : 1,058,331.02 = 476,606.43 : x
  2. Step 2: Convert to fraction form
    766,775.97/1,058,331.02 = 476,606.43/x
  3. Step 3: Cross multiply
    766,775.97x = 1,058,331.02 × 476,606.43
  4. Step 4: Simplify right side
    766,775.97x = 504,407,366,817.43
  5. Step 5: Solve for x
    x = 504,407,366,817.43/766,775.97
  6. Step 6: Final answer
    x = 657,828.87

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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.