Home / 1,661,411.40-2,292,795.77-936,219.21

Finding the Fourth Proportional to 1,661,411.40, 2,292,795.77 and 936,219.21

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Solution

The fourth proportional to 1,661,411.40, 2,292,795.77 and 936,219.21 is: 1,292,009.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,411.40 : 2,292,795.77 = 936,219.21 : x
  2. Step 2: Convert to fraction form
    1,661,411.40/2,292,795.77 = 936,219.21/x
  3. Step 3: Cross multiply
    1,661,411.40x = 2,292,795.77 × 936,219.21
  4. Step 4: Simplify right side
    1,661,411.40x = 2,146,559,439,799.65
  5. Step 5: Solve for x
    x = 2,146,559,439,799.65/1,661,411.40
  6. Step 6: Final answer
    x = 1,292,009.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.