Home / 1,385,025.02-2,077,433.82-486,474.68

Finding the Fourth Proportional to 1,385,025.02, 2,077,433.82 and 486,474.68

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Solution

The fourth proportional to 1,385,025.02, 2,077,433.82 and 486,474.68 is: 729,675.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,025.02 : 2,077,433.82 = 486,474.68 : x
  2. Step 2: Convert to fraction form
    1,385,025.02/2,077,433.82 = 486,474.68/x
  3. Step 3: Cross multiply
    1,385,025.02x = 2,077,433.82 × 486,474.68
  4. Step 4: Simplify right side
    1,385,025.02x = 1,010,618,952,805.68
  5. Step 5: Solve for x
    x = 1,010,618,952,805.68/1,385,025.02
  6. Step 6: Final answer
    x = 729,675.59

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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.