Home / 735,905.66-1,015,633.94-409,251.21

Finding the Fourth Proportional to 735,905.66, 1,015,633.94 and 409,251.21

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Solution

The fourth proportional to 735,905.66, 1,015,633.94 and 409,251.21 is: 564,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,905.66 : 1,015,633.94 = 409,251.21 : x
  2. Step 2: Convert to fraction form
    735,905.66/1,015,633.94 = 409,251.21/x
  3. Step 3: Cross multiply
    735,905.66x = 1,015,633.94 × 409,251.21
  4. Step 4: Simplify right side
    735,905.66x = 415,649,416,815.81
  5. Step 5: Solve for x
    x = 415,649,416,815.81/735,905.66
  6. Step 6: Final answer
    x = 564,813.46

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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.