Home / 1,220,632.40-1,831,240.20-589,026.80

Finding the Fourth Proportional to 1,220,632.40, 1,831,240.20 and 589,026.80

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Solution

The fourth proportional to 1,220,632.40, 1,831,240.20 and 589,026.80 is: 883,680.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,632.40 : 1,831,240.20 = 589,026.80 : x
  2. Step 2: Convert to fraction form
    1,220,632.40/1,831,240.20 = 589,026.80/x
  3. Step 3: Cross multiply
    1,220,632.40x = 1,831,240.20 × 589,026.80
  4. Step 4: Simplify right side
    1,220,632.40x = 1,078,649,555,037.36
  5. Step 5: Solve for x
    x = 1,078,649,555,037.36/1,220,632.40
  6. Step 6: Final answer
    x = 883,680.91

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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.