Home / 1,277,313.57-1,762,735.28-696,568.47

Finding the Fourth Proportional to 1,277,313.57, 1,762,735.28 and 696,568.47

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Solution

The fourth proportional to 1,277,313.57, 1,762,735.28 and 696,568.47 is: 961,287.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,313.57 : 1,762,735.28 = 696,568.47 : x
  2. Step 2: Convert to fraction form
    1,277,313.57/1,762,735.28 = 696,568.47/x
  3. Step 3: Cross multiply
    1,277,313.57x = 1,762,735.28 × 696,568.47
  4. Step 4: Simplify right side
    1,277,313.57x = 1,227,865,813,521.78
  5. Step 5: Solve for x
    x = 1,227,865,813,521.78/1,277,313.57
  6. Step 6: Final answer
    x = 961,287.69

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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.