Home / 910,787.87-1,256,360.37-588,497.96

Finding the Fourth Proportional to 910,787.87, 1,256,360.37 and 588,497.96

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Solution

The fourth proportional to 910,787.87, 1,256,360.37 and 588,497.96 is: 811,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,787.87 : 1,256,360.37 = 588,497.96 : x
  2. Step 2: Convert to fraction form
    910,787.87/1,256,360.37 = 588,497.96/x
  3. Step 3: Cross multiply
    910,787.87x = 1,256,360.37 × 588,497.96
  4. Step 4: Simplify right side
    910,787.87x = 739,365,511,947.15
  5. Step 5: Solve for x
    x = 739,365,511,947.15/910,787.87
  6. Step 6: Final answer
    x = 811,786.74

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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.