Home / 466,235.42-643,403.93-262,286.46

Finding the Fourth Proportional to 466,235.42, 643,403.93 and 262,286.46

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Solution

The fourth proportional to 466,235.42, 643,403.93 and 262,286.46 is: 361,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,235.42 : 643,403.93 = 262,286.46 : x
  2. Step 2: Convert to fraction form
    466,235.42/643,403.93 = 262,286.46/x
  3. Step 3: Cross multiply
    466,235.42x = 643,403.93 × 262,286.46
  4. Step 4: Simplify right side
    466,235.42x = 168,756,137,838.36
  5. Step 5: Solve for x
    x = 168,756,137,838.36/466,235.42
  6. Step 6: Final answer
    x = 361,954.78

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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.