Home / 838,133.82-1,156,624.67-456,163.34

Finding the Fourth Proportional to 838,133.82, 1,156,624.67 and 456,163.34

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Solution

The fourth proportional to 838,133.82, 1,156,624.67 and 456,163.34 is: 629,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,133.82 : 1,156,624.67 = 456,163.34 : x
  2. Step 2: Convert to fraction form
    838,133.82/1,156,624.67 = 456,163.34/x
  3. Step 3: Cross multiply
    838,133.82x = 1,156,624.67 × 456,163.34
  4. Step 4: Simplify right side
    838,133.82x = 527,609,764,529.66
  5. Step 5: Solve for x
    x = 527,609,764,529.66/838,133.82
  6. Step 6: Final answer
    x = 629,505.40

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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.