Home / 1,213,422.60-1,674,856.26-704,289

Finding the Fourth Proportional to 1,213,422.60, 1,674,856.26 and 704,289

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Solution

The fourth proportional to 1,213,422.60, 1,674,856.26 and 704,289 is: 972,112.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,422.60 : 1,674,856.26 = 704,289 : x
  2. Step 2: Convert to fraction form
    1,213,422.60/1,674,856.26 = 704,289/x
  3. Step 3: Cross multiply
    1,213,422.60x = 1,674,856.26 × 704,289
  4. Step 4: Simplify right side
    1,213,422.60x = 1,179,582,840,499.14
  5. Step 5: Solve for x
    x = 1,179,582,840,499.14/1,213,422.60
  6. Step 6: Final answer
    x = 972,112.14

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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.