Home / 1,777,543.60-2,666,704.20-879,415.60

Finding the Fourth Proportional to 1,777,543.60, 2,666,704.20 and 879,415.60

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Solution

The fourth proportional to 1,777,543.60, 2,666,704.20 and 879,415.60 is: 1,319,315.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,543.60 : 2,666,704.20 = 879,415.60 : x
  2. Step 2: Convert to fraction form
    1,777,543.60/2,666,704.20 = 879,415.60/x
  3. Step 3: Cross multiply
    1,777,543.60x = 2,666,704.20 × 879,415.60
  4. Step 4: Simplify right side
    1,777,543.60x = 2,345,141,274,065.52
  5. Step 5: Solve for x
    x = 2,345,141,274,065.52/1,777,543.60
  6. Step 6: Final answer
    x = 1,319,315.75

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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.