Home / 751,257.90-1,036,729.95-411,725.34

Finding the Fourth Proportional to 751,257.90, 1,036,729.95 and 411,725.34

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Solution

The fourth proportional to 751,257.90, 1,036,729.95 and 411,725.34 is: 568,177.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,257.90 : 1,036,729.95 = 411,725.34 : x
  2. Step 2: Convert to fraction form
    751,257.90/1,036,729.95 = 411,725.34/x
  3. Step 3: Cross multiply
    751,257.90x = 1,036,729.95 × 411,725.34
  4. Step 4: Simplify right side
    751,257.90x = 426,847,991,151.93
  5. Step 5: Solve for x
    x = 426,847,991,151.93/751,257.90
  6. Step 6: Final answer
    x = 568,177.71

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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.