Home / 466,520.28-643,748.22-262,581.72

Finding the Fourth Proportional to 466,520.28, 643,748.22 and 262,581.72

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Solution

The fourth proportional to 466,520.28, 643,748.22 and 262,581.72 is: 362,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,520.28 : 643,748.22 = 262,581.72 : x
  2. Step 2: Convert to fraction form
    466,520.28/643,748.22 = 262,581.72/x
  3. Step 3: Cross multiply
    466,520.28x = 643,748.22 × 262,581.72
  4. Step 4: Simplify right side
    466,520.28x = 169,036,514,854.54
  5. Step 5: Solve for x
    x = 169,036,514,854.54/466,520.28
  6. Step 6: Final answer
    x = 362,334.76

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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.