Home / 807,860.60-1,114,855.44-445,298.66

Finding the Fourth Proportional to 807,860.60, 1,114,855.44 and 445,298.66

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Solution

The fourth proportional to 807,860.60, 1,114,855.44 and 445,298.66 is: 614,516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,860.60 : 1,114,855.44 = 445,298.66 : x
  2. Step 2: Convert to fraction form
    807,860.60/1,114,855.44 = 445,298.66/x
  3. Step 3: Cross multiply
    807,860.60x = 1,114,855.44 × 445,298.66
  4. Step 4: Simplify right side
    807,860.60x = 496,443,633,525.71
  5. Step 5: Solve for x
    x = 496,443,633,525.71/807,860.60
  6. Step 6: Final answer
    x = 614,516.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.