Home / 1,220,886.96-1,831,592.91-411,351.82

Finding the Fourth Proportional to 1,220,886.96, 1,831,592.91 and 411,351.82

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Solution

The fourth proportional to 1,220,886.96, 1,831,592.91 and 411,351.82 is: 617,116.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,886.96 : 1,831,592.91 = 411,351.82 : x
  2. Step 2: Convert to fraction form
    1,220,886.96/1,831,592.91 = 411,351.82/x
  3. Step 3: Cross multiply
    1,220,886.96x = 1,831,592.91 × 411,351.82
  4. Step 4: Simplify right side
    1,220,886.96x = 753,429,077,027.60
  5. Step 5: Solve for x
    x = 753,429,077,027.60/1,220,886.96
  6. Step 6: Final answer
    x = 617,116.16

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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.