Home / 961,782.51-1,327,249.88-526,195.74

Finding the Fourth Proportional to 961,782.51, 1,327,249.88 and 526,195.74

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Solution

The fourth proportional to 961,782.51, 1,327,249.88 and 526,195.74 is: 726,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,782.51 : 1,327,249.88 = 526,195.74 : x
  2. Step 2: Convert to fraction form
    961,782.51/1,327,249.88 = 526,195.74/x
  3. Step 3: Cross multiply
    961,782.51x = 1,327,249.88 × 526,195.74
  4. Step 4: Simplify right side
    961,782.51x = 698,393,227,136.58
  5. Step 5: Solve for x
    x = 698,393,227,136.58/961,782.51
  6. Step 6: Final answer
    x = 726,144.66

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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.