Home / 623,540.80-935,586.60-303,515.20

Finding the Fourth Proportional to 623,540.80, 935,586.60 and 303,515.20

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Solution

The fourth proportional to 623,540.80, 935,586.60 and 303,515.20 is: 455,406.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,540.80 : 935,586.60 = 303,515.20 : x
  2. Step 2: Convert to fraction form
    623,540.80/935,586.60 = 303,515.20/x
  3. Step 3: Cross multiply
    623,540.80x = 935,586.60 × 303,515.20
  4. Step 4: Simplify right side
    623,540.80x = 283,964,754,016.32
  5. Step 5: Solve for x
    x = 283,964,754,016.32/623,540.80
  6. Step 6: Final answer
    x = 455,406.85

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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.