Home / 855,517.14-1,180,740.24-492,872.04

Finding the Fourth Proportional to 855,517.14, 1,180,740.24 and 492,872.04

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Solution

The fourth proportional to 855,517.14, 1,180,740.24 and 492,872.04 is: 680,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,517.14 : 1,180,740.24 = 492,872.04 : x
  2. Step 2: Convert to fraction form
    855,517.14/1,180,740.24 = 492,872.04/x
  3. Step 3: Cross multiply
    855,517.14x = 1,180,740.24 × 492,872.04
  4. Step 4: Simplify right side
    855,517.14x = 581,953,850,798.89
  5. Step 5: Solve for x
    x = 581,953,850,798.89/855,517.14
  6. Step 6: Final answer
    x = 680,236.34

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1.5x scale

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.