Home / 6,946,747.20-10,420,120.80-4,679,265.60

Finding the Fourth Proportional to 6,946,747.20, 10,420,120.80 and 4,679,265.60

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Solution

The fourth proportional to 6,946,747.20, 10,420,120.80 and 4,679,265.60 is: 7,018,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,946,747.20 : 10,420,120.80 = 4,679,265.60 : x
  2. Step 2: Convert to fraction form
    6,946,747.20/10,420,120.80 = 4,679,265.60/x
  3. Step 3: Cross multiply
    6,946,747.20x = 10,420,120.80 × 4,679,265.60
  4. Step 4: Simplify right side
    6,946,747.20x = 48,758,512,807,284.48
  5. Step 5: Solve for x
    x = 48,758,512,807,284.48/6,946,747.20
  6. Step 6: Final answer
    x = 7,018,898.40

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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.