Home / 4,985,043.28-7,477,564.92-1,198,526.20

Finding the Fourth Proportional to 4,985,043.28, 7,477,564.92 and 1,198,526.20

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Solution

The fourth proportional to 4,985,043.28, 7,477,564.92 and 1,198,526.20 is: 1,797,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985,043.28 : 7,477,564.92 = 1,198,526.20 : x
  2. Step 2: Convert to fraction form
    4,985,043.28/7,477,564.92 = 1,198,526.20/x
  3. Step 3: Cross multiply
    4,985,043.28x = 7,477,564.92 × 1,198,526.20
  4. Step 4: Simplify right side
    4,985,043.28x = 8,962,057,468,820.90
  5. Step 5: Solve for x
    x = 8,962,057,468,820.90/4,985,043.28
  6. Step 6: Final answer
    x = 1,797,789.30

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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.