Home / 1,799,064.18-2,698,198.80-519,393.69

Finding the Fourth Proportional to 1,799,064.18, 2,698,198.80 and 519,393.69

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Solution

The fourth proportional to 1,799,064.18, 2,698,198.80 and 519,393.69 is: 778,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,064.18 : 2,698,198.80 = 519,393.69 : x
  2. Step 2: Convert to fraction form
    1,799,064.18/2,698,198.80 = 519,393.69/x
  3. Step 3: Cross multiply
    1,799,064.18x = 2,698,198.80 × 519,393.69
  4. Step 4: Simplify right side
    1,799,064.18x = 1,401,427,431,085.57
  5. Step 5: Solve for x
    x = 1,401,427,431,085.57/1,799,064.18
  6. Step 6: Final answer
    x = 778,975.78

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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.