Home / 2,118,794.40-3,178,191.60-521,336.70

Finding the Fourth Proportional to 2,118,794.40, 3,178,191.60 and 521,336.70

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Solution

The fourth proportional to 2,118,794.40, 3,178,191.60 and 521,336.70 is: 782,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,794.40 : 3,178,191.60 = 521,336.70 : x
  2. Step 2: Convert to fraction form
    2,118,794.40/3,178,191.60 = 521,336.70/x
  3. Step 3: Cross multiply
    2,118,794.40x = 3,178,191.60 × 521,336.70
  4. Step 4: Simplify right side
    2,118,794.40x = 1,656,907,920,711.72
  5. Step 5: Solve for x
    x = 1,656,907,920,711.72/2,118,794.40
  6. Step 6: Final answer
    x = 782,005.05

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Double scale
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Similar ratio
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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.