Home / 1,663,686.15-2,295,993.23-938,269.19

Finding the Fourth Proportional to 1,663,686.15, 2,295,993.23 and 938,269.19

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Solution

The fourth proportional to 1,663,686.15, 2,295,993.23 and 938,269.19 is: 1,294,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,686.15 : 2,295,993.23 = 938,269.19 : x
  2. Step 2: Convert to fraction form
    1,663,686.15/2,295,993.23 = 938,269.19/x
  3. Step 3: Cross multiply
    1,663,686.15x = 2,295,993.23 × 938,269.19
  4. Step 4: Simplify right side
    1,663,686.15x = 2,154,259,691,986.27
  5. Step 5: Solve for x
    x = 2,154,259,691,986.27/1,663,686.15
  6. Step 6: Final answer
    x = 1,294,871.45

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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.