Home / 773,928.62-1,067,985.56-429,786.40

Finding the Fourth Proportional to 773,928.62, 1,067,985.56 and 429,786.40

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Solution

The fourth proportional to 773,928.62, 1,067,985.56 and 429,786.40 is: 593,085.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,928.62 : 1,067,985.56 = 429,786.40 : x
  2. Step 2: Convert to fraction form
    773,928.62/1,067,985.56 = 429,786.40/x
  3. Step 3: Cross multiply
    773,928.62x = 1,067,985.56 × 429,786.40
  4. Step 4: Simplify right side
    773,928.62x = 459,005,669,084.38
  5. Step 5: Solve for x
    x = 459,005,669,084.38/773,928.62
  6. Step 6: Final answer
    x = 593,085.28

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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.