Home / 759,906.91-1,048,663.55-415,739.33

Finding the Fourth Proportional to 759,906.91, 1,048,663.55 and 415,739.33

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Solution

The fourth proportional to 759,906.91, 1,048,663.55 and 415,739.33 is: 573,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,906.91 : 1,048,663.55 = 415,739.33 : x
  2. Step 2: Convert to fraction form
    759,906.91/1,048,663.55 = 415,739.33/x
  3. Step 3: Cross multiply
    759,906.91x = 1,048,663.55 × 415,739.33
  4. Step 4: Simplify right side
    759,906.91x = 435,970,677,468.45
  5. Step 5: Solve for x
    x = 435,970,677,468.45/759,906.91
  6. Step 6: Final answer
    x = 573,715.90

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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.