Home / 466,218.27-643,380.29-262,269.35

Finding the Fourth Proportional to 466,218.27, 643,380.29 and 262,269.35

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Solution

The fourth proportional to 466,218.27, 643,380.29 and 262,269.35 is: 361,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,218.27 : 643,380.29 = 262,269.35 : x
  2. Step 2: Convert to fraction form
    466,218.27/643,380.29 = 262,269.35/x
  3. Step 3: Cross multiply
    466,218.27x = 643,380.29 × 262,269.35
  4. Step 4: Simplify right side
    466,218.27x = 168,738,925,932.86
  5. Step 5: Solve for x
    x = 168,738,925,932.86/466,218.27
  6. Step 6: Final answer
    x = 361,931.17

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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.