Home / 673,608.04-929,175.78-492,098.20

Finding the Fourth Proportional to 673,608.04, 929,175.78 and 492,098.20

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Solution

The fourth proportional to 673,608.04, 929,175.78 and 492,098.20 is: 678,800.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,608.04 : 929,175.78 = 492,098.20 : x
  2. Step 2: Convert to fraction form
    673,608.04/929,175.78 = 492,098.20/x
  3. Step 3: Cross multiply
    673,608.04x = 929,175.78 × 492,098.20
  4. Step 4: Simplify right side
    673,608.04x = 457,245,728,821.60
  5. Step 5: Solve for x
    x = 457,245,728,821.60/673,608.04
  6. Step 6: Final answer
    x = 678,800.88

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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.