Home / 598,642.21-826,145.46-340,512.49

Finding the Fourth Proportional to 598,642.21, 826,145.46 and 340,512.49

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Solution

The fourth proportional to 598,642.21, 826,145.46 and 340,512.49 is: 469,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,642.21 : 826,145.46 = 340,512.49 : x
  2. Step 2: Convert to fraction form
    598,642.21/826,145.46 = 340,512.49/x
  3. Step 3: Cross multiply
    598,642.21x = 826,145.46 × 340,512.49
  4. Step 4: Simplify right side
    598,642.21x = 281,312,847,686.80
  5. Step 5: Solve for x
    x = 281,312,847,686.80/598,642.21
  6. Step 6: Final answer
    x = 469,918.16

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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.