Home / 1,818,643.75-2,727,965.16-620,565.96

Finding the Fourth Proportional to 1,818,643.75, 2,727,965.16 and 620,565.96

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Solution

The fourth proportional to 1,818,643.75, 2,727,965.16 and 620,565.96 is: 930,848.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,643.75 : 2,727,965.16 = 620,565.96 : x
  2. Step 2: Convert to fraction form
    1,818,643.75/2,727,965.16 = 620,565.96/x
  3. Step 3: Cross multiply
    1,818,643.75x = 2,727,965.16 × 620,565.96
  4. Step 4: Simplify right side
    1,818,643.75x = 1,692,882,318,361.95
  5. Step 5: Solve for x
    x = 1,692,882,318,361.95/1,818,643.75
  6. Step 6: Final answer
    x = 930,848.78

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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.