Home / 454,114.80-681,172.20-314,146.80

Finding the Fourth Proportional to 454,114.80, 681,172.20 and 314,146.80

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Solution

The fourth proportional to 454,114.80, 681,172.20 and 314,146.80 is: 471,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,114.80 : 681,172.20 = 314,146.80 : x
  2. Step 2: Convert to fraction form
    454,114.80/681,172.20 = 314,146.80/x
  3. Step 3: Cross multiply
    454,114.80x = 681,172.20 × 314,146.80
  4. Step 4: Simplify right side
    454,114.80x = 213,988,066,878.96
  5. Step 5: Solve for x
    x = 213,988,066,878.96/454,114.80
  6. Step 6: Final answer
    x = 471,220.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.