Home / 1,412,385.84-1,947,263.01-914,784.42

Finding the Fourth Proportional to 1,412,385.84, 1,947,263.01 and 914,784.42

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Solution

The fourth proportional to 1,412,385.84, 1,947,263.01 and 914,784.42 is: 1,261,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,385.84 : 1,947,263.01 = 914,784.42 : x
  2. Step 2: Convert to fraction form
    1,412,385.84/1,947,263.01 = 914,784.42/x
  3. Step 3: Cross multiply
    1,412,385.84x = 1,947,263.01 × 914,784.42
  4. Step 4: Simplify right side
    1,412,385.84x = 1,781,325,853,453.99
  5. Step 5: Solve for x
    x = 1,781,325,853,453.99/1,412,385.84
  6. Step 6: Final answer
    x = 1,261,217.58

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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.