Home / 1,284,960.11-1,773,255.44-712,009.85

Finding the Fourth Proportional to 1,284,960.11, 1,773,255.44 and 712,009.85

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Solution

The fourth proportional to 1,284,960.11, 1,773,255.44 and 712,009.85 is: 982,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,960.11 : 1,773,255.44 = 712,009.85 : x
  2. Step 2: Convert to fraction form
    1,284,960.11/1,773,255.44 = 712,009.85/x
  3. Step 3: Cross multiply
    1,284,960.11x = 1,773,255.44 × 712,009.85
  4. Step 4: Simplify right side
    1,284,960.11x = 1,262,575,332,759.83
  5. Step 5: Solve for x
    x = 1,262,575,332,759.83/1,284,960.11
  6. Step 6: Final answer
    x = 982,579.40

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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.