Home / 1,407,974.36-1,943,029.82-763,416.28

Finding the Fourth Proportional to 1,407,974.36, 1,943,029.82 and 763,416.28

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Solution

The fourth proportional to 1,407,974.36, 1,943,029.82 and 763,416.28 is: 1,053,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,974.36 : 1,943,029.82 = 763,416.28 : x
  2. Step 2: Convert to fraction form
    1,407,974.36/1,943,029.82 = 763,416.28/x
  3. Step 3: Cross multiply
    1,407,974.36x = 1,943,029.82 × 763,416.28
  4. Step 4: Simplify right side
    1,407,974.36x = 1,483,340,597,113.47
  5. Step 5: Solve for x
    x = 1,483,340,597,113.47/1,407,974.36
  6. Step 6: Final answer
    x = 1,053,528.13

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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.