Home / 460,825.20-691,237.80-301,392.90

Finding the Fourth Proportional to 460,825.20, 691,237.80 and 301,392.90

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Solution

The fourth proportional to 460,825.20, 691,237.80 and 301,392.90 is: 452,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,825.20 : 691,237.80 = 301,392.90 : x
  2. Step 2: Convert to fraction form
    460,825.20/691,237.80 = 301,392.90/x
  3. Step 3: Cross multiply
    460,825.20x = 691,237.80 × 301,392.90
  4. Step 4: Simplify right side
    460,825.20x = 208,334,165,131.62
  5. Step 5: Solve for x
    x = 208,334,165,131.62/460,825.20
  6. Step 6: Final answer
    x = 452,089.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.