Home / 1,220,043.60-1,683,660.33-676,214.46

Finding the Fourth Proportional to 1,220,043.60, 1,683,660.33 and 676,214.46

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Solution

The fourth proportional to 1,220,043.60, 1,683,660.33 and 676,214.46 is: 933,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,043.60 : 1,683,660.33 = 676,214.46 : x
  2. Step 2: Convert to fraction form
    1,220,043.60/1,683,660.33 = 676,214.46/x
  3. Step 3: Cross multiply
    1,220,043.60x = 1,683,660.33 × 676,214.46
  4. Step 4: Simplify right side
    1,220,043.60x = 1,138,515,460,874.37
  5. Step 5: Solve for x
    x = 1,138,515,460,874.37/1,220,043.60
  6. Step 6: Final answer
    x = 933,176.04

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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.