Home / 1,192,168.50-1,645,200.30-648,310.20

Finding the Fourth Proportional to 1,192,168.50, 1,645,200.30 and 648,310.20

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Solution

The fourth proportional to 1,192,168.50, 1,645,200.30 and 648,310.20 is: 894,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,168.50 : 1,645,200.30 = 648,310.20 : x
  2. Step 2: Convert to fraction form
    1,192,168.50/1,645,200.30 = 648,310.20/x
  3. Step 3: Cross multiply
    1,192,168.50x = 1,645,200.30 × 648,310.20
  4. Step 4: Simplify right side
    1,192,168.50x = 1,066,600,135,533.06
  5. Step 5: Solve for x
    x = 1,066,600,135,533.06/1,192,168.50
  6. Step 6: Final answer
    x = 894,672.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.