Home / 1,238,856.84-1,858,110.30-397,299.24

Finding the Fourth Proportional to 1,238,856.84, 1,858,110.30 and 397,299.24

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Solution

The fourth proportional to 1,238,856.84, 1,858,110.30 and 397,299.24 is: 595,892.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,856.84 : 1,858,110.30 = 397,299.24 : x
  2. Step 2: Convert to fraction form
    1,238,856.84/1,858,110.30 = 397,299.24/x
  3. Step 3: Cross multiply
    1,238,856.84x = 1,858,110.30 × 397,299.24
  4. Step 4: Simplify right side
    1,238,856.84x = 738,225,810,026.17
  5. Step 5: Solve for x
    x = 738,225,810,026.17/1,238,856.84
  6. Step 6: Final answer
    x = 595,892.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.