Home / 8,262,000.40-12,393,000.60-4,435,625.20

Finding the Fourth Proportional to 8,262,000.40, 12,393,000.60 and 4,435,625.20

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Solution

The fourth proportional to 8,262,000.40, 12,393,000.60 and 4,435,625.20 is: 6,653,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262,000.40 : 12,393,000.60 = 4,435,625.20 : x
  2. Step 2: Convert to fraction form
    8,262,000.40/12,393,000.60 = 4,435,625.20/x
  3. Step 3: Cross multiply
    8,262,000.40x = 12,393,000.60 × 4,435,625.20
  4. Step 4: Simplify right side
    8,262,000.40x = 54,970,705,764,975.12
  5. Step 5: Solve for x
    x = 54,970,705,764,975.12/8,262,000.40
  6. Step 6: Final answer
    x = 6,653,437.80

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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.