Home / 2,077,891.20-3,117,128.40-657,799.20

Finding the Fourth Proportional to 2,077,891.20, 3,117,128.40 and 657,799.20

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Solution

The fourth proportional to 2,077,891.20, 3,117,128.40 and 657,799.20 is: 986,791.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,891.20 : 3,117,128.40 = 657,799.20 : x
  2. Step 2: Convert to fraction form
    2,077,891.20/3,117,128.40 = 657,799.20/x
  3. Step 3: Cross multiply
    2,077,891.20x = 3,117,128.40 × 657,799.20
  4. Step 4: Simplify right side
    2,077,891.20x = 2,050,444,567,817.28
  5. Step 5: Solve for x
    x = 2,050,444,567,817.28/2,077,891.20
  6. Step 6: Final answer
    x = 986,791.11

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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.