Home / 876,106.46-1,209,025.20-494,132.06

Finding the Fourth Proportional to 876,106.46, 1,209,025.20 and 494,132.06

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Solution

The fourth proportional to 876,106.46, 1,209,025.20 and 494,132.06 is: 681,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,106.46 : 1,209,025.20 = 494,132.06 : x
  2. Step 2: Convert to fraction form
    876,106.46/1,209,025.20 = 494,132.06/x
  3. Step 3: Cross multiply
    876,106.46x = 1,209,025.20 × 494,132.06
  4. Step 4: Simplify right side
    876,106.46x = 597,418,112,667.91
  5. Step 5: Solve for x
    x = 597,418,112,667.91/876,106.46
  6. Step 6: Final answer
    x = 681,901.28

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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.