Home / 925,667.40-1,277,539.32-517,791.90

Finding the Fourth Proportional to 925,667.40, 1,277,539.32 and 517,791.90

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Solution

The fourth proportional to 925,667.40, 1,277,539.32 and 517,791.90 is: 714,619.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,667.40 : 1,277,539.32 = 517,791.90 : x
  2. Step 2: Convert to fraction form
    925,667.40/1,277,539.32 = 517,791.90/x
  3. Step 3: Cross multiply
    925,667.40x = 1,277,539.32 × 517,791.90
  4. Step 4: Simplify right side
    925,667.40x = 661,499,511,827.51
  5. Step 5: Solve for x
    x = 661,499,511,827.51/925,667.40
  6. Step 6: Final answer
    x = 714,619.00

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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.