Home / 856,633.62-1,182,136.77-474,657.06

Finding the Fourth Proportional to 856,633.62, 1,182,136.77 and 474,657.06

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Solution

The fourth proportional to 856,633.62, 1,182,136.77 and 474,657.06 is: 655,016.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,633.62 : 1,182,136.77 = 474,657.06 : x
  2. Step 2: Convert to fraction form
    856,633.62/1,182,136.77 = 474,657.06/x
  3. Step 3: Cross multiply
    856,633.62x = 1,182,136.77 × 474,657.06
  4. Step 4: Simplify right side
    856,633.62x = 561,109,563,766.10
  5. Step 5: Solve for x
    x = 561,109,563,766.10/856,633.62
  6. Step 6: Final answer
    x = 655,016.98

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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.