Home / 623,180.40-935,062.20-323,998.80

Finding the Fourth Proportional to 623,180.40, 935,062.20 and 323,998.80

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Solution

The fourth proportional to 623,180.40, 935,062.20 and 323,998.80 is: 486,149.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,180.40 : 935,062.20 = 323,998.80 : x
  2. Step 2: Convert to fraction form
    623,180.40/935,062.20 = 323,998.80/x
  3. Step 3: Cross multiply
    623,180.40x = 935,062.20 × 323,998.80
  4. Step 4: Simplify right side
    623,180.40x = 302,959,030,725.36
  5. Step 5: Solve for x
    x = 302,959,030,725.36/623,180.40
  6. Step 6: Final answer
    x = 486,149.81

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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.