Home / 1,065,200.40-1,597,800.60-949,078.80

Finding the Fourth Proportional to 1,065,200.40, 1,597,800.60 and 949,078.80

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Solution

The fourth proportional to 1,065,200.40, 1,597,800.60 and 949,078.80 is: 1,423,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,200.40 : 1,597,800.60 = 949,078.80 : x
  2. Step 2: Convert to fraction form
    1,065,200.40/1,597,800.60 = 949,078.80/x
  3. Step 3: Cross multiply
    1,065,200.40x = 1,597,800.60 × 949,078.80
  4. Step 4: Simplify right side
    1,065,200.40x = 1,516,438,676,087.28
  5. Step 5: Solve for x
    x = 1,516,438,676,087.28/1,065,200.40
  6. Step 6: Final answer
    x = 1,423,618.20

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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.