Home / 2,819,657.20-4,229,485.80-926,460.40

Finding the Fourth Proportional to 2,819,657.20, 4,229,485.80 and 926,460.40

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Solution

The fourth proportional to 2,819,657.20, 4,229,485.80 and 926,460.40 is: 1,389,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,657.20 : 4,229,485.80 = 926,460.40 : x
  2. Step 2: Convert to fraction form
    2,819,657.20/4,229,485.80 = 926,460.40/x
  3. Step 3: Cross multiply
    2,819,657.20x = 4,229,485.80 × 926,460.40
  4. Step 4: Simplify right side
    2,819,657.20x = 3,918,451,106,062.32
  5. Step 5: Solve for x
    x = 3,918,451,106,062.32/2,819,657.20
  6. Step 6: Final answer
    x = 1,389,690.60

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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.