Home / 1,220,883.45-1,831,587.65-411,348.31

Finding the Fourth Proportional to 1,220,883.45, 1,831,587.65 and 411,348.31

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Solution

The fourth proportional to 1,220,883.45, 1,831,587.65 and 411,348.31 is: 617,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,883.45 : 1,831,587.65 = 411,348.31 : x
  2. Step 2: Convert to fraction form
    1,220,883.45/1,831,587.65 = 411,348.31/x
  3. Step 3: Cross multiply
    1,220,883.45x = 1,831,587.65 × 411,348.31
  4. Step 4: Simplify right side
    1,220,883.45x = 753,420,484,444.37
  5. Step 5: Solve for x
    x = 753,420,484,444.37/1,220,883.45
  6. Step 6: Final answer
    x = 617,110.90

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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.