Home / 876,751.16-1,209,916.86-494,858.84

Finding the Fourth Proportional to 876,751.16, 1,209,916.86 and 494,858.84

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Solution

The fourth proportional to 876,751.16, 1,209,916.86 and 494,858.84 is: 682,905.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,751.16 : 1,209,916.86 = 494,858.84 : x
  2. Step 2: Convert to fraction form
    876,751.16/1,209,916.86 = 494,858.84/x
  3. Step 3: Cross multiply
    876,751.16x = 1,209,916.86 × 494,858.84
  4. Step 4: Simplify right side
    876,751.16x = 598,738,053,836.04
  5. Step 5: Solve for x
    x = 598,738,053,836.04/876,751.16
  6. Step 6: Final answer
    x = 682,905.35

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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.