Home / 448,963.20-673,444.80-262,339.20

Finding the Fourth Proportional to 448,963.20, 673,444.80 and 262,339.20

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Solution

The fourth proportional to 448,963.20, 673,444.80 and 262,339.20 is: 393,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,963.20 : 673,444.80 = 262,339.20 : x
  2. Step 2: Convert to fraction form
    448,963.20/673,444.80 = 262,339.20/x
  3. Step 3: Cross multiply
    448,963.20x = 673,444.80 × 262,339.20
  4. Step 4: Simplify right side
    448,963.20x = 176,670,970,076.16
  5. Step 5: Solve for x
    x = 176,670,970,076.16/448,963.20
  6. Step 6: Final answer
    x = 393,508.80

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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.