Home / 466,266.86-643,449.25-275,292.55

Finding the Fourth Proportional to 466,266.86, 643,449.25 and 275,292.55

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Solution

The fourth proportional to 466,266.86, 643,449.25 and 275,292.55 is: 379,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,266.86 : 643,449.25 = 275,292.55 : x
  2. Step 2: Convert to fraction form
    466,266.86/643,449.25 = 275,292.55/x
  3. Step 3: Cross multiply
    466,266.86x = 643,449.25 × 275,292.55
  4. Step 4: Simplify right side
    466,266.86x = 177,136,784,828.09
  5. Step 5: Solve for x
    x = 177,136,784,828.09/466,266.86
  6. Step 6: Final answer
    x = 379,904.30

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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.