Home / 807,467.40-1,211,201.10-246,501.90

Finding the Fourth Proportional to 807,467.40, 1,211,201.10 and 246,501.90

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Solution

The fourth proportional to 807,467.40, 1,211,201.10 and 246,501.90 is: 369,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,467.40 : 1,211,201.10 = 246,501.90 : x
  2. Step 2: Convert to fraction form
    807,467.40/1,211,201.10 = 246,501.90/x
  3. Step 3: Cross multiply
    807,467.40x = 1,211,201.10 × 246,501.90
  4. Step 4: Simplify right side
    807,467.40x = 298,563,372,432.09
  5. Step 5: Solve for x
    x = 298,563,372,432.09/807,467.40
  6. Step 6: Final answer
    x = 369,752.85

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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.