Home / 1,314,093.20-1,969,681.80-515,109.20

Finding the Fourth Proportional to 1,314,093.20, 1,969,681.80 and 515,109.20

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Solution

The fourth proportional to 1,314,093.20, 1,969,681.80 and 515,109.20 is: 772,092.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,093.20 : 1,969,681.80 = 515,109.20 : x
  2. Step 2: Convert to fraction form
    1,314,093.20/1,969,681.80 = 515,109.20/x
  3. Step 3: Cross multiply
    1,314,093.20x = 1,969,681.80 × 515,109.20
  4. Step 4: Simplify right side
    1,314,093.20x = 1,014,601,216,252.56
  5. Step 5: Solve for x
    x = 1,014,601,216,252.56/1,314,093.20
  6. Step 6: Final answer
    x = 772,092.28

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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.