Home / 1,040,858-1,436,385.48-563,930

Finding the Fourth Proportional to 1,040,858, 1,436,385.48 and 563,930

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Solution

The fourth proportional to 1,040,858, 1,436,385.48 and 563,930 is: 778,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,858 : 1,436,385.48 = 563,930 : x
  2. Step 2: Convert to fraction form
    1,040,858/1,436,385.48 = 563,930/x
  3. Step 3: Cross multiply
    1,040,858x = 1,436,385.48 × 563,930
  4. Step 4: Simplify right side
    1,040,858x = 810,020,863,736.40
  5. Step 5: Solve for x
    x = 810,020,863,736.40/1,040,858
  6. Step 6: Final answer
    x = 778,224.18

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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.