Home / 1,917,941.04-2,876,555.16-638,568.72

Finding the Fourth Proportional to 1,917,941.04, 2,876,555.16 and 638,568.72

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Solution

The fourth proportional to 1,917,941.04, 2,876,555.16 and 638,568.72 is: 957,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,941.04 : 2,876,555.16 = 638,568.72 : x
  2. Step 2: Convert to fraction form
    1,917,941.04/2,876,555.16 = 638,568.72/x
  3. Step 3: Cross multiply
    1,917,941.04x = 2,876,555.16 × 638,568.72
  4. Step 4: Simplify right side
    1,917,941.04x = 1,836,878,146,530.60
  5. Step 5: Solve for x
    x = 1,836,878,146,530.60/1,917,941.04
  6. Step 6: Final answer
    x = 957,734.42

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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.