Home / 2,630,115.60-3,945,173.40-947,000.40

Finding the Fourth Proportional to 2,630,115.60, 3,945,173.40 and 947,000.40

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Solution

The fourth proportional to 2,630,115.60, 3,945,173.40 and 947,000.40 is: 1,420,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,115.60 : 3,945,173.40 = 947,000.40 : x
  2. Step 2: Convert to fraction form
    2,630,115.60/3,945,173.40 = 947,000.40/x
  3. Step 3: Cross multiply
    2,630,115.60x = 3,945,173.40 × 947,000.40
  4. Step 4: Simplify right side
    2,630,115.60x = 3,736,080,787,869.36
  5. Step 5: Solve for x
    x = 3,736,080,787,869.36/2,630,115.60
  6. Step 6: Final answer
    x = 1,420,500.60

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Double scale
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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.