Home / 1,778,500.51-2,668,175.21-580,425.05

Finding the Fourth Proportional to 1,778,500.51, 2,668,175.21 and 580,425.05

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Solution

The fourth proportional to 1,778,500.51, 2,668,175.21 and 580,425.05 is: 870,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,500.51 : 2,668,175.21 = 580,425.05 : x
  2. Step 2: Convert to fraction form
    1,778,500.51/2,668,175.21 = 580,425.05/x
  3. Step 3: Cross multiply
    1,778,500.51x = 2,668,175.21 × 580,425.05
  4. Step 4: Simplify right side
    1,778,500.51x = 1,548,675,737,794.51
  5. Step 5: Solve for x
    x = 1,548,675,737,794.51/1,778,500.51
  6. Step 6: Final answer
    x = 870,776.10

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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.