Home / 751,048.85-1,036,446.10-406,893.47

Finding the Fourth Proportional to 751,048.85, 1,036,446.10 and 406,893.47

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Solution

The fourth proportional to 751,048.85, 1,036,446.10 and 406,893.47 is: 561,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,048.85 : 1,036,446.10 = 406,893.47 : x
  2. Step 2: Convert to fraction form
    751,048.85/1,036,446.10 = 406,893.47/x
  3. Step 3: Cross multiply
    751,048.85x = 1,036,446.10 × 406,893.47
  4. Step 4: Simplify right side
    751,048.85x = 421,723,143,897.50
  5. Step 5: Solve for x
    x = 421,723,143,897.50/751,048.85
  6. Step 6: Final answer
    x = 561,512.27

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Double scale
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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.