Home / 1,295,473.44-1,787,756.52-722,550.72

Finding the Fourth Proportional to 1,295,473.44, 1,787,756.52 and 722,550.72

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Solution

The fourth proportional to 1,295,473.44, 1,787,756.52 and 722,550.72 is: 997,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,473.44 : 1,787,756.52 = 722,550.72 : x
  2. Step 2: Convert to fraction form
    1,295,473.44/1,787,756.52 = 722,550.72/x
  3. Step 3: Cross multiply
    1,295,473.44x = 1,787,756.52 × 722,550.72
  4. Step 4: Simplify right side
    1,295,473.44x = 1,291,744,760,710.69
  5. Step 5: Solve for x
    x = 1,291,744,760,710.69/1,295,473.44
  6. Step 6: Final answer
    x = 997,121.76

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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.