Home / 1,277,161.20-1,762,561.80-704,200.68

Finding the Fourth Proportional to 1,277,161.20, 1,762,561.80 and 704,200.68

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Solution

The fourth proportional to 1,277,161.20, 1,762,561.80 and 704,200.68 is: 971,840.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,161.20 : 1,762,561.80 = 704,200.68 : x
  2. Step 2: Convert to fraction form
    1,277,161.20/1,762,561.80 = 704,200.68/x
  3. Step 3: Cross multiply
    1,277,161.20x = 1,762,561.80 × 704,200.68
  4. Step 4: Simplify right side
    1,277,161.20x = 1,241,197,218,102.02
  5. Step 5: Solve for x
    x = 1,241,197,218,102.02/1,277,161.20
  6. Step 6: Final answer
    x = 971,840.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.