Home / 1,331,659.45-1,837,690.10-719,810.21

Finding the Fourth Proportional to 1,331,659.45, 1,837,690.10 and 719,810.21

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Solution

The fourth proportional to 1,331,659.45, 1,837,690.10 and 719,810.21 is: 993,338.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,659.45 : 1,837,690.10 = 719,810.21 : x
  2. Step 2: Convert to fraction form
    1,331,659.45/1,837,690.10 = 719,810.21/x
  3. Step 3: Cross multiply
    1,331,659.45x = 1,837,690.10 × 719,810.21
  4. Step 4: Simplify right side
    1,331,659.45x = 1,322,788,089,407.00
  5. Step 5: Solve for x
    x = 1,322,788,089,407.00/1,331,659.45
  6. Step 6: Final answer
    x = 993,338.12

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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.