Home / 466,228.55-643,432.74-262,267.31

Finding the Fourth Proportional to 466,228.55, 643,432.74 and 262,267.31

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Solution

The fourth proportional to 466,228.55, 643,432.74 and 262,267.31 is: 361,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,228.55 : 643,432.74 = 262,267.31 : x
  2. Step 2: Convert to fraction form
    466,228.55/643,432.74 = 262,267.31/x
  3. Step 3: Cross multiply
    466,228.55x = 643,432.74 × 262,267.31
  4. Step 4: Simplify right side
    466,228.55x = 168,751,370,668.57
  5. Step 5: Solve for x
    x = 168,751,370,668.57/466,228.55
  6. Step 6: Final answer
    x = 361,949.89

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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.