Home / 5,379,623.20-8,069,434.80-4,969,050.40

Finding the Fourth Proportional to 5,379,623.20, 8,069,434.80 and 4,969,050.40

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Solution

The fourth proportional to 5,379,623.20, 8,069,434.80 and 4,969,050.40 is: 7,453,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379,623.20 : 8,069,434.80 = 4,969,050.40 : x
  2. Step 2: Convert to fraction form
    5,379,623.20/8,069,434.80 = 4,969,050.40/x
  3. Step 3: Cross multiply
    5,379,623.20x = 8,069,434.80 × 4,969,050.40
  4. Step 4: Simplify right side
    5,379,623.20x = 40,097,428,220,713.92
  5. Step 5: Solve for x
    x = 40,097,428,220,713.92/5,379,623.20
  6. Step 6: Final answer
    x = 7,453,575.60

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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.