Home / 1,253,999.13-1,730,528.97-681,043.40

Finding the Fourth Proportional to 1,253,999.13, 1,730,528.97 and 681,043.40

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Solution

The fourth proportional to 1,253,999.13, 1,730,528.97 and 681,043.40 is: 939,845.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,999.13 : 1,730,528.97 = 681,043.40 : x
  2. Step 2: Convert to fraction form
    1,253,999.13/1,730,528.97 = 681,043.40/x
  3. Step 3: Cross multiply
    1,253,999.13x = 1,730,528.97 × 681,043.40
  4. Step 4: Simplify right side
    1,253,999.13x = 1,178,565,338,544.45
  5. Step 5: Solve for x
    x = 1,178,565,338,544.45/1,253,999.13
  6. Step 6: Final answer
    x = 939,845.42

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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.