Home / 738,761.10-1,108,141.86-177,795.60

Finding the Fourth Proportional to 738,761.10, 1,108,141.86 and 177,795.60

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Solution

The fourth proportional to 738,761.10, 1,108,141.86 and 177,795.60 is: 266,693.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,761.10 : 1,108,141.86 = 177,795.60 : x
  2. Step 2: Convert to fraction form
    738,761.10/1,108,141.86 = 177,795.60/x
  3. Step 3: Cross multiply
    738,761.10x = 1,108,141.86 × 177,795.60
  4. Step 4: Simplify right side
    738,761.10x = 197,022,746,883.82
  5. Step 5: Solve for x
    x = 197,022,746,883.82/738,761.10
  6. Step 6: Final answer
    x = 266,693.45

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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.