Home / 1,778,581.80-2,668,218.30-767,701.80

Finding the Fourth Proportional to 1,778,581.80, 2,668,218.30 and 767,701.80

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Solution

The fourth proportional to 1,778,581.80, 2,668,218.30 and 767,701.80 is: 1,151,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,581.80 : 2,668,218.30 = 767,701.80 : x
  2. Step 2: Convert to fraction form
    1,778,581.80/2,668,218.30 = 767,701.80/x
  3. Step 3: Cross multiply
    1,778,581.80x = 2,668,218.30 × 767,701.80
  4. Step 4: Simplify right side
    1,778,581.80x = 2,048,395,991,702.94
  5. Step 5: Solve for x
    x = 2,048,395,991,702.94/1,778,581.80
  6. Step 6: Final answer
    x = 1,151,701.87

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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.