Home / 738,822.70-1,108,234.05-265,555.90

Finding the Fourth Proportional to 738,822.70, 1,108,234.05 and 265,555.90

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Solution

The fourth proportional to 738,822.70, 1,108,234.05 and 265,555.90 is: 398,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,822.70 : 1,108,234.05 = 265,555.90 : x
  2. Step 2: Convert to fraction form
    738,822.70/1,108,234.05 = 265,555.90/x
  3. Step 3: Cross multiply
    738,822.70x = 1,108,234.05 × 265,555.90
  4. Step 4: Simplify right side
    738,822.70x = 294,298,090,558.40
  5. Step 5: Solve for x
    x = 294,298,090,558.40/738,822.70
  6. Step 6: Final answer
    x = 398,333.85

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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.