Home / 1,299,856.90-1,793,198.05-841,119.73

Finding the Fourth Proportional to 1,299,856.90, 1,793,198.05 and 841,119.73

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Solution

The fourth proportional to 1,299,856.90, 1,793,198.05 and 841,119.73 is: 1,160,354.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,856.90 : 1,793,198.05 = 841,119.73 : x
  2. Step 2: Convert to fraction form
    1,299,856.90/1,793,198.05 = 841,119.73/x
  3. Step 3: Cross multiply
    1,299,856.90x = 1,793,198.05 × 841,119.73
  4. Step 4: Simplify right side
    1,299,856.90x = 1,508,294,259,652.53
  5. Step 5: Solve for x
    x = 1,508,294,259,652.53/1,299,856.90
  6. Step 6: Final answer
    x = 1,160,354.08

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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.