Home / 1,568,077.49-2,164,168.13-914,919.01

Finding the Fourth Proportional to 1,568,077.49, 2,164,168.13 and 914,919.01

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Solution

The fourth proportional to 1,568,077.49, 2,164,168.13 and 914,919.01 is: 1,262,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,077.49 : 2,164,168.13 = 914,919.01 : x
  2. Step 2: Convert to fraction form
    1,568,077.49/2,164,168.13 = 914,919.01/x
  3. Step 3: Cross multiply
    1,568,077.49x = 2,164,168.13 × 914,919.01
  4. Step 4: Simplify right side
    1,568,077.49x = 1,980,038,552,988.14
  5. Step 5: Solve for x
    x = 1,980,038,552,988.14/1,568,077.49
  6. Step 6: Final answer
    x = 1,262,717.28

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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.