Home / 744,072.08-1,026,814.37-404,540.33

Finding the Fourth Proportional to 744,072.08, 1,026,814.37 and 404,540.33

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Solution

The fourth proportional to 744,072.08, 1,026,814.37 and 404,540.33 is: 558,262.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,072.08 : 1,026,814.37 = 404,540.33 : x
  2. Step 2: Convert to fraction form
    744,072.08/1,026,814.37 = 404,540.33/x
  3. Step 3: Cross multiply
    744,072.08x = 1,026,814.37 × 404,540.33
  4. Step 4: Simplify right side
    744,072.08x = 415,387,816,931.77
  5. Step 5: Solve for x
    x = 415,387,816,931.77/744,072.08
  6. Step 6: Final answer
    x = 558,262.88

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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.