Home / 766,776.97-1,058,332.40-476,607.43

Finding the Fourth Proportional to 766,776.97, 1,058,332.40 and 476,607.43

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Solution

The fourth proportional to 766,776.97, 1,058,332.40 and 476,607.43 is: 657,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,776.97 : 1,058,332.40 = 476,607.43 : x
  2. Step 2: Convert to fraction form
    766,776.97/1,058,332.40 = 476,607.43/x
  3. Step 3: Cross multiply
    766,776.97x = 1,058,332.40 × 476,607.43
  4. Step 4: Simplify right side
    766,776.97x = 504,409,085,249.73
  5. Step 5: Solve for x
    x = 504,409,085,249.73/766,776.97
  6. Step 6: Final answer
    x = 657,830.25

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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.