Home / 2,092,178.50-3,138,267.75-516,242.50

Finding the Fourth Proportional to 2,092,178.50, 3,138,267.75 and 516,242.50

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Solution

The fourth proportional to 2,092,178.50, 3,138,267.75 and 516,242.50 is: 774,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092,178.50 : 3,138,267.75 = 516,242.50 : x
  2. Step 2: Convert to fraction form
    2,092,178.50/3,138,267.75 = 516,242.50/x
  3. Step 3: Cross multiply
    2,092,178.50x = 3,138,267.75 × 516,242.50
  4. Step 4: Simplify right side
    2,092,178.50x = 1,620,107,188,929.38
  5. Step 5: Solve for x
    x = 1,620,107,188,929.38/2,092,178.50
  6. Step 6: Final answer
    x = 774,363.75

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Double scale
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Similar ratio
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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.