Home / 1,416,367.71-2,124,548.90-443,806.45

Finding the Fourth Proportional to 1,416,367.71, 2,124,548.90 and 443,806.45

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Solution

The fourth proportional to 1,416,367.71, 2,124,548.90 and 443,806.45 is: 665,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,367.71 : 2,124,548.90 = 443,806.45 : x
  2. Step 2: Convert to fraction form
    1,416,367.71/2,124,548.90 = 443,806.45/x
  3. Step 3: Cross multiply
    1,416,367.71x = 2,124,548.90 × 443,806.45
  4. Step 4: Simplify right side
    1,416,367.71x = 942,888,505,160.41
  5. Step 5: Solve for x
    x = 942,888,505,160.41/1,416,367.71
  6. Step 6: Final answer
    x = 665,708.84

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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.