Home / 1,277,508.04-1,762,962.85-696,732.57

Finding the Fourth Proportional to 1,277,508.04, 1,762,962.85 and 696,732.57

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Solution

The fourth proportional to 1,277,508.04, 1,762,962.85 and 696,732.57 is: 961,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,508.04 : 1,762,962.85 = 696,732.57 : x
  2. Step 2: Convert to fraction form
    1,277,508.04/1,762,962.85 = 696,732.57/x
  3. Step 3: Cross multiply
    1,277,508.04x = 1,762,962.85 × 696,732.57
  4. Step 4: Simplify right side
    1,277,508.04x = 1,228,313,640,857.93
  5. Step 5: Solve for x
    x = 1,228,313,640,857.93/1,277,508.04
  6. Step 6: Final answer
    x = 961,491.91

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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.