Home / 1,277,507.67-1,762,962.33-696,732.20

Finding the Fourth Proportional to 1,277,507.67, 1,762,962.33 and 696,732.20

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Solution

The fourth proportional to 1,277,507.67, 1,762,962.33 and 696,732.20 is: 961,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,507.67 : 1,762,962.33 = 696,732.20 : x
  2. Step 2: Convert to fraction form
    1,277,507.67/1,762,962.33 = 696,732.20/x
  3. Step 3: Cross multiply
    1,277,507.67x = 1,762,962.33 × 696,732.20
  4. Step 4: Simplify right side
    1,277,507.67x = 1,228,312,619,187.95
  5. Step 5: Solve for x
    x = 1,228,312,619,187.95/1,277,507.67
  6. Step 6: Final answer
    x = 961,491.39

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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.