Home / 4,307,763.20-6,461,644.80-3,299,993.60

Finding the Fourth Proportional to 4,307,763.20, 6,461,644.80 and 3,299,993.60

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Solution

The fourth proportional to 4,307,763.20, 6,461,644.80 and 3,299,993.60 is: 4,949,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307,763.20 : 6,461,644.80 = 3,299,993.60 : x
  2. Step 2: Convert to fraction form
    4,307,763.20/6,461,644.80 = 3,299,993.60/x
  3. Step 3: Cross multiply
    4,307,763.20x = 6,461,644.80 × 3,299,993.60
  4. Step 4: Simplify right side
    4,307,763.20x = 21,323,386,485,473.28
  5. Step 5: Solve for x
    x = 21,323,386,485,473.28/4,307,763.20
  6. Step 6: Final answer
    x = 4,949,990.40

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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.