Home / 1,547,712.51-2,135,843.26-868,649.01

Finding the Fourth Proportional to 1,547,712.51, 2,135,843.26 and 868,649.01

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Solution

The fourth proportional to 1,547,712.51, 2,135,843.26 and 868,649.01 is: 1,198,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,712.51 : 2,135,843.26 = 868,649.01 : x
  2. Step 2: Convert to fraction form
    1,547,712.51/2,135,843.26 = 868,649.01/x
  3. Step 3: Cross multiply
    1,547,712.51x = 2,135,843.26 × 868,649.01
  4. Step 4: Simplify right side
    1,547,712.51x = 1,855,298,133,314.17
  5. Step 5: Solve for x
    x = 1,855,298,133,314.17/1,547,712.51
  6. Step 6: Final answer
    x = 1,198,735.63

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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.