Home / 1,245,208.48-1,718,768.77-729,083.36

Finding the Fourth Proportional to 1,245,208.48, 1,718,768.77 and 729,083.36

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Solution

The fourth proportional to 1,245,208.48, 1,718,768.77 and 729,083.36 is: 1,006,358.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,208.48 : 1,718,768.77 = 729,083.36 : x
  2. Step 2: Convert to fraction form
    1,245,208.48/1,718,768.77 = 729,083.36/x
  3. Step 3: Cross multiply
    1,245,208.48x = 1,718,768.77 × 729,083.36
  4. Step 4: Simplify right side
    1,245,208.48x = 1,253,125,712,368.88
  5. Step 5: Solve for x
    x = 1,253,125,712,368.88/1,245,208.48
  6. Step 6: Final answer
    x = 1,006,358.16

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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.