Home / 1,272,568.36-1,756,099.52-699,604.32

Finding the Fourth Proportional to 1,272,568.36, 1,756,099.52 and 699,604.32

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Solution

The fourth proportional to 1,272,568.36, 1,756,099.52 and 699,604.32 is: 965,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,568.36 : 1,756,099.52 = 699,604.32 : x
  2. Step 2: Convert to fraction form
    1,272,568.36/1,756,099.52 = 699,604.32/x
  3. Step 3: Cross multiply
    1,272,568.36x = 1,756,099.52 × 699,604.32
  4. Step 4: Simplify right side
    1,272,568.36x = 1,228,574,810,541.93
  5. Step 5: Solve for x
    x = 1,228,574,810,541.93/1,272,568.36
  6. Step 6: Final answer
    x = 965,429.32

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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.