Home / 1,384,046.44-1,910,117.70-840,056.92

Finding the Fourth Proportional to 1,384,046.44, 1,910,117.70 and 840,056.92

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Solution

The fourth proportional to 1,384,046.44, 1,910,117.70 and 840,056.92 is: 1,159,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,046.44 : 1,910,117.70 = 840,056.92 : x
  2. Step 2: Convert to fraction form
    1,384,046.44/1,910,117.70 = 840,056.92/x
  3. Step 3: Cross multiply
    1,384,046.44x = 1,910,117.70 × 840,056.92
  4. Step 4: Simplify right side
    1,384,046.44x = 1,604,607,591,899.48
  5. Step 5: Solve for x
    x = 1,604,607,591,899.48/1,384,046.44
  6. Step 6: Final answer
    x = 1,159,359.65

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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.