Home / 1,212,774.10-1,673,624.90-696,561.46

Finding the Fourth Proportional to 1,212,774.10, 1,673,624.90 and 696,561.46

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Solution

The fourth proportional to 1,212,774.10, 1,673,624.90 and 696,561.46 is: 961,252.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,774.10 : 1,673,624.90 = 696,561.46 : x
  2. Step 2: Convert to fraction form
    1,212,774.10/1,673,624.90 = 696,561.46/x
  3. Step 3: Cross multiply
    1,212,774.10x = 1,673,624.90 × 696,561.46
  4. Step 4: Simplify right side
    1,212,774.10x = 1,165,782,601,393.70
  5. Step 5: Solve for x
    x = 1,165,782,601,393.70/1,212,774.10
  6. Step 6: Final answer
    x = 961,252.89

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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.