Home / 735,921.80-1,015,656.21-409,267.34

Finding the Fourth Proportional to 735,921.80, 1,015,656.21 and 409,267.34

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Solution

The fourth proportional to 735,921.80, 1,015,656.21 and 409,267.34 is: 564,835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,921.80 : 1,015,656.21 = 409,267.34 : x
  2. Step 2: Convert to fraction form
    735,921.80/1,015,656.21 = 409,267.34/x
  3. Step 3: Cross multiply
    735,921.80x = 1,015,656.21 × 409,267.34
  4. Step 4: Simplify right side
    735,921.80x = 415,674,910,342.90
  5. Step 5: Solve for x
    x = 415,674,910,342.90/735,921.80
  6. Step 6: Final answer
    x = 564,835.71

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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.