Home / 1,198,563.40-1,798,526.72-440,307.42

Finding the Fourth Proportional to 1,198,563.40, 1,798,526.72 and 440,307.42

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Solution

The fourth proportional to 1,198,563.40, 1,798,526.72 and 440,307.42 is: 660,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,563.40 : 1,798,526.72 = 440,307.42 : x
  2. Step 2: Convert to fraction form
    1,198,563.40/1,798,526.72 = 440,307.42/x
  3. Step 3: Cross multiply
    1,198,563.40x = 1,798,526.72 × 440,307.42
  4. Step 4: Simplify right side
    1,198,563.40x = 791,904,659,884.26
  5. Step 5: Solve for x
    x = 791,904,659,884.26/1,198,563.40
  6. Step 6: Final answer
    x = 660,711.53

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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.