Home / 681,624.80-1,022,437.20-433,407.20

Finding the Fourth Proportional to 681,624.80, 1,022,437.20 and 433,407.20

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Solution

The fourth proportional to 681,624.80, 1,022,437.20 and 433,407.20 is: 650,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,624.80 : 1,022,437.20 = 433,407.20 : x
  2. Step 2: Convert to fraction form
    681,624.80/1,022,437.20 = 433,407.20/x
  3. Step 3: Cross multiply
    681,624.80x = 1,022,437.20 × 433,407.20
  4. Step 4: Simplify right side
    681,624.80x = 443,131,644,027.84
  5. Step 5: Solve for x
    x = 443,131,644,027.84/681,624.80
  6. Step 6: Final answer
    x = 650,110.80

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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.