Home / 768,589.97-1,060,654.30-429,058.22

Finding the Fourth Proportional to 768,589.97, 1,060,654.30 and 429,058.22

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Solution

The fourth proportional to 768,589.97, 1,060,654.30 and 429,058.22 is: 592,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,589.97 : 1,060,654.30 = 429,058.22 : x
  2. Step 2: Convert to fraction form
    768,589.97/1,060,654.30 = 429,058.22/x
  3. Step 3: Cross multiply
    768,589.97x = 1,060,654.30 × 429,058.22
  4. Step 4: Simplify right side
    768,589.97x = 455,082,439,617.43
  5. Step 5: Solve for x
    x = 455,082,439,617.43/768,589.97
  6. Step 6: Final answer
    x = 592,100.42

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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.