Home / 1,220,939.93-1,831,160.51-462,519.92

Finding the Fourth Proportional to 1,220,939.93, 1,831,160.51 and 462,519.92

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Solution

The fourth proportional to 1,220,939.93, 1,831,160.51 and 462,519.92 is: 693,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,939.93 : 1,831,160.51 = 462,519.92 : x
  2. Step 2: Convert to fraction form
    1,220,939.93/1,831,160.51 = 462,519.92/x
  3. Step 3: Cross multiply
    1,220,939.93x = 1,831,160.51 × 462,519.92
  4. Step 4: Simplify right side
    1,220,939.93x = 846,948,212,592.36
  5. Step 5: Solve for x
    x = 846,948,212,592.36/1,220,939.93
  6. Step 6: Final answer
    x = 693,685.41

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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.