Home / 1,078,136.90-1,487,839.30-594,722.42

Finding the Fourth Proportional to 1,078,136.90, 1,487,839.30 and 594,722.42

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Solution

The fourth proportional to 1,078,136.90, 1,487,839.30 and 594,722.42 is: 820,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,136.90 : 1,487,839.30 = 594,722.42 : x
  2. Step 2: Convert to fraction form
    1,078,136.90/1,487,839.30 = 594,722.42/x
  3. Step 3: Cross multiply
    1,078,136.90x = 1,487,839.30 × 594,722.42
  4. Step 4: Simplify right side
    1,078,136.90x = 884,851,389,067.11
  5. Step 5: Solve for x
    x = 884,851,389,067.11/1,078,136.90
  6. Step 6: Final answer
    x = 820,722.66

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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.