Home / 1,328,619.30-1,833,573.96-1,005,818.10

Finding the Fourth Proportional to 1,328,619.30, 1,833,573.96 and 1,005,818.10

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Solution

The fourth proportional to 1,328,619.30, 1,833,573.96 and 1,005,818.10 is: 1,388,089.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,619.30 : 1,833,573.96 = 1,005,818.10 : x
  2. Step 2: Convert to fraction form
    1,328,619.30/1,833,573.96 = 1,005,818.10/x
  3. Step 3: Cross multiply
    1,328,619.30x = 1,833,573.96 × 1,005,818.10
  4. Step 4: Simplify right side
    1,328,619.30x = 1,844,241,876,656.68
  5. Step 5: Solve for x
    x = 1,844,241,876,656.68/1,328,619.30
  6. Step 6: Final answer
    x = 1,388,089.03

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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.