Home / 808,371.23-1,115,537.56-445,828.59

Finding the Fourth Proportional to 808,371.23, 1,115,537.56 and 445,828.59

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Solution

The fourth proportional to 808,371.23, 1,115,537.56 and 445,828.59 is: 615,235.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,371.23 : 1,115,537.56 = 445,828.59 : x
  2. Step 2: Convert to fraction form
    808,371.23/1,115,537.56 = 445,828.59/x
  3. Step 3: Cross multiply
    808,371.23x = 1,115,537.56 × 445,828.59
  4. Step 4: Simplify right side
    808,371.23x = 497,338,537,466.84
  5. Step 5: Solve for x
    x = 497,338,537,466.84/808,371.23
  6. Step 6: Final answer
    x = 615,235.33

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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.