Home / 2,191,337.60-3,285,451.20-842,979.20

Finding the Fourth Proportional to 2,191,337.60, 3,285,451.20 and 842,979.20

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Solution

The fourth proportional to 2,191,337.60, 3,285,451.20 and 842,979.20 is: 1,263,870.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,337.60 : 3,285,451.20 = 842,979.20 : x
  2. Step 2: Convert to fraction form
    2,191,337.60/3,285,451.20 = 842,979.20/x
  3. Step 3: Cross multiply
    2,191,337.60x = 3,285,451.20 × 842,979.20
  4. Step 4: Simplify right side
    2,191,337.60x = 2,769,567,024,215.04
  5. Step 5: Solve for x
    x = 2,769,567,024,215.04/2,191,337.60
  6. Step 6: Final answer
    x = 1,263,870.53

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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.