Home / 1,632,500.40-2,448,750.60-791,137.20

Finding the Fourth Proportional to 1,632,500.40, 2,448,750.60 and 791,137.20

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Solution

The fourth proportional to 1,632,500.40, 2,448,750.60 and 791,137.20 is: 1,186,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632,500.40 : 2,448,750.60 = 791,137.20 : x
  2. Step 2: Convert to fraction form
    1,632,500.40/2,448,750.60 = 791,137.20/x
  3. Step 3: Cross multiply
    1,632,500.40x = 2,448,750.60 × 791,137.20
  4. Step 4: Simplify right side
    1,632,500.40x = 1,937,297,693,182.32
  5. Step 5: Solve for x
    x = 1,937,297,693,182.32/1,632,500.40
  6. Step 6: Final answer
    x = 1,186,705.80

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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.