Home / 751,416.45-1,036,994.45-411,899.01

Finding the Fourth Proportional to 751,416.45, 1,036,994.45 and 411,899.01

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Solution

The fourth proportional to 751,416.45, 1,036,994.45 and 411,899.01 is: 568,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,416.45 : 1,036,994.45 = 411,899.01 : x
  2. Step 2: Convert to fraction form
    751,416.45/1,036,994.45 = 411,899.01/x
  3. Step 3: Cross multiply
    751,416.45x = 1,036,994.45 × 411,899.01
  4. Step 4: Simplify right side
    751,416.45x = 427,136,987,330.50
  5. Step 5: Solve for x
    x = 427,136,987,330.50/751,416.45
  6. Step 6: Final answer
    x = 568,442.42

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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.