Home / 1,219,309.11-1,830,098.49-620,718.39

Finding the Fourth Proportional to 1,219,309.11, 1,830,098.49 and 620,718.39

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Solution

The fourth proportional to 1,219,309.11, 1,830,098.49 and 620,718.39 is: 931,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,309.11 : 1,830,098.49 = 620,718.39 : x
  2. Step 2: Convert to fraction form
    1,219,309.11/1,830,098.49 = 620,718.39/x
  3. Step 3: Cross multiply
    1,219,309.11x = 1,830,098.49 × 620,718.39
  4. Step 4: Simplify right side
    1,219,309.11x = 1,135,975,792,829.48
  5. Step 5: Solve for x
    x = 1,135,975,792,829.48/1,219,309.11
  6. Step 6: Final answer
    x = 931,655.30

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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.