Home / 806,173.59-1,112,486.19-438,652.24

Finding the Fourth Proportional to 806,173.59, 1,112,486.19 and 438,652.24

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Solution

The fourth proportional to 806,173.59, 1,112,486.19 and 438,652.24 is: 605,321.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,173.59 : 1,112,486.19 = 438,652.24 : x
  2. Step 2: Convert to fraction form
    806,173.59/1,112,486.19 = 438,652.24/x
  3. Step 3: Cross multiply
    806,173.59x = 1,112,486.19 × 438,652.24
  4. Step 4: Simplify right side
    806,173.59x = 487,994,556,431.35
  5. Step 5: Solve for x
    x = 487,994,556,431.35/806,173.59
  6. Step 6: Final answer
    x = 605,321.93

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Double scale
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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.