Home / 1,211,952.26-1,672,419-668,059.94

Finding the Fourth Proportional to 1,211,952.26, 1,672,419 and 668,059.94

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Solution

The fourth proportional to 1,211,952.26, 1,672,419 and 668,059.94 is: 921,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,952.26 : 1,672,419 = 668,059.94 : x
  2. Step 2: Convert to fraction form
    1,211,952.26/1,672,419 = 668,059.94/x
  3. Step 3: Cross multiply
    1,211,952.26x = 1,672,419 × 668,059.94
  4. Step 4: Simplify right side
    1,211,952.26x = 1,117,276,136,794.86
  5. Step 5: Solve for x
    x = 1,117,276,136,794.86/1,211,952.26
  6. Step 6: Final answer
    x = 921,881.31

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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.