Home / 454,109.14-626,662.74-263,140.30

Finding the Fourth Proportional to 454,109.14, 626,662.74 and 263,140.30

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Solution

The fourth proportional to 454,109.14, 626,662.74 and 263,140.30 is: 363,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,109.14 : 626,662.74 = 263,140.30 : x
  2. Step 2: Convert to fraction form
    454,109.14/626,662.74 = 263,140.30/x
  3. Step 3: Cross multiply
    454,109.14x = 626,662.74 × 263,140.30
  4. Step 4: Simplify right side
    454,109.14x = 164,900,221,402.42
  5. Step 5: Solve for x
    x = 164,900,221,402.42/454,109.14
  6. Step 6: Final answer
    x = 363,129.05

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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.