Home / 466,242.51-643,354.14-262,286.55

Finding the Fourth Proportional to 466,242.51, 643,354.14 and 262,286.55

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Solution

The fourth proportional to 466,242.51, 643,354.14 and 262,286.55 is: 361,921.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,242.51 : 643,354.14 = 262,286.55 : x
  2. Step 2: Convert to fraction form
    466,242.51/643,354.14 = 262,286.55/x
  3. Step 3: Cross multiply
    466,242.51x = 643,354.14 × 262,286.55
  4. Step 4: Simplify right side
    466,242.51x = 168,743,137,808.82
  5. Step 5: Solve for x
    x = 168,743,137,808.82/466,242.51
  6. Step 6: Final answer
    x = 361,921.39

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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.