Home / 2,451,411.40-3,677,117.10-768,512.20

Finding the Fourth Proportional to 2,451,411.40, 3,677,117.10 and 768,512.20

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Solution

The fourth proportional to 2,451,411.40, 3,677,117.10 and 768,512.20 is: 1,152,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451,411.40 : 3,677,117.10 = 768,512.20 : x
  2. Step 2: Convert to fraction form
    2,451,411.40/3,677,117.10 = 768,512.20/x
  3. Step 3: Cross multiply
    2,451,411.40x = 3,677,117.10 × 768,512.20
  4. Step 4: Simplify right side
    2,451,411.40x = 2,825,909,352,178.62
  5. Step 5: Solve for x
    x = 2,825,909,352,178.62/2,451,411.40
  6. Step 6: Final answer
    x = 1,152,768.30

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Double scale
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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.