Home / 1,778,651.61-2,668,051.19-516,479.23

Finding the Fourth Proportional to 1,778,651.61, 2,668,051.19 and 516,479.23

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Solution

The fourth proportional to 1,778,651.61, 2,668,051.19 and 516,479.23 is: 774,740.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,651.61 : 2,668,051.19 = 516,479.23 : x
  2. Step 2: Convert to fraction form
    1,778,651.61/2,668,051.19 = 516,479.23/x
  3. Step 3: Cross multiply
    1,778,651.61x = 2,668,051.19 × 516,479.23
  4. Step 4: Simplify right side
    1,778,651.61x = 1,377,993,024,211.78
  5. Step 5: Solve for x
    x = 1,377,993,024,211.78/1,778,651.61
  6. Step 6: Final answer
    x = 774,740.27

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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.