Home / 816,476.44-1,126,775.91-453,906.32

Finding the Fourth Proportional to 816,476.44, 1,126,775.91 and 453,906.32

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Solution

The fourth proportional to 816,476.44, 1,126,775.91 and 453,906.32 is: 626,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,476.44 : 1,126,775.91 = 453,906.32 : x
  2. Step 2: Convert to fraction form
    816,476.44/1,126,775.91 = 453,906.32/x
  3. Step 3: Cross multiply
    816,476.44x = 1,126,775.91 × 453,906.32
  4. Step 4: Simplify right side
    816,476.44x = 511,450,702,841.02
  5. Step 5: Solve for x
    x = 511,450,702,841.02/816,476.44
  6. Step 6: Final answer
    x = 626,412.08

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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.