Home / 1,221,044.04-1,831,215.72-411,340.56

Finding the Fourth Proportional to 1,221,044.04, 1,831,215.72 and 411,340.56

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Solution

The fourth proportional to 1,221,044.04, 1,831,215.72 and 411,340.56 is: 616,892.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,044.04 : 1,831,215.72 = 411,340.56 : x
  2. Step 2: Convert to fraction form
    1,221,044.04/1,831,215.72 = 411,340.56/x
  3. Step 3: Cross multiply
    1,221,044.04x = 1,831,215.72 × 411,340.56
  4. Step 4: Simplify right side
    1,221,044.04x = 753,253,299,745.60
  5. Step 5: Solve for x
    x = 753,253,299,745.60/1,221,044.04
  6. Step 6: Final answer
    x = 616,892.82

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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.