Home / 753,985.58-1,040,153.31-668,032.25

Finding the Fourth Proportional to 753,985.58, 1,040,153.31 and 668,032.25

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Solution

The fourth proportional to 753,985.58, 1,040,153.31 and 668,032.25 is: 921,577.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,985.58 : 1,040,153.31 = 668,032.25 : x
  2. Step 2: Convert to fraction form
    753,985.58/1,040,153.31 = 668,032.25/x
  3. Step 3: Cross multiply
    753,985.58x = 1,040,153.31 × 668,032.25
  4. Step 4: Simplify right side
    753,985.58x = 694,855,950,823.48
  5. Step 5: Solve for x
    x = 694,855,950,823.48/753,985.58
  6. Step 6: Final answer
    x = 921,577.25

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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.