Home / 1,818,865.95-2,727,548.25-620,884.86

Finding the Fourth Proportional to 1,818,865.95, 2,727,548.25 and 620,884.86

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Solution

The fourth proportional to 1,818,865.95, 2,727,548.25 and 620,884.86 is: 931,071.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,865.95 : 2,727,548.25 = 620,884.86 : x
  2. Step 2: Convert to fraction form
    1,818,865.95/2,727,548.25 = 620,884.86/x
  3. Step 3: Cross multiply
    1,818,865.95x = 2,727,548.25 × 620,884.86
  4. Step 4: Simplify right side
    1,818,865.95x = 1,693,493,413,344.50
  5. Step 5: Solve for x
    x = 1,693,493,413,344.50/1,818,865.95
  6. Step 6: Final answer
    x = 931,071.04

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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.