Home / 1,413,013.16-1,949,939.82-768,419.52

Finding the Fourth Proportional to 1,413,013.16, 1,949,939.82 and 768,419.52

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Solution

The fourth proportional to 1,413,013.16, 1,949,939.82 and 768,419.52 is: 1,060,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,013.16 : 1,949,939.82 = 768,419.52 : x
  2. Step 2: Convert to fraction form
    1,413,013.16/1,949,939.82 = 768,419.52/x
  3. Step 3: Cross multiply
    1,413,013.16x = 1,949,939.82 × 768,419.52
  4. Step 4: Simplify right side
    1,413,013.16x = 1,498,371,820,513.29
  5. Step 5: Solve for x
    x = 1,498,371,820,513.29/1,413,013.16
  6. Step 6: Final answer
    x = 1,060,408.96

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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.