Home / 1,691,043.21-2,333,634.20-916,677.07

Finding the Fourth Proportional to 1,691,043.21, 2,333,634.20 and 916,677.07

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Solution

The fourth proportional to 1,691,043.21, 2,333,634.20 and 916,677.07 is: 1,265,011.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,043.21 : 2,333,634.20 = 916,677.07 : x
  2. Step 2: Convert to fraction form
    1,691,043.21/2,333,634.20 = 916,677.07/x
  3. Step 3: Cross multiply
    1,691,043.21x = 2,333,634.20 × 916,677.07
  4. Step 4: Simplify right side
    1,691,043.21x = 2,139,188,953,927.86
  5. Step 5: Solve for x
    x = 2,139,188,953,927.86/1,691,043.21
  6. Step 6: Final answer
    x = 1,265,011.41

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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.