Home / 711,227.44-1,066,947.24-261,913.76

Finding the Fourth Proportional to 711,227.44, 1,066,947.24 and 261,913.76

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Solution

The fourth proportional to 711,227.44, 1,066,947.24 and 261,913.76 is: 392,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,227.44 : 1,066,947.24 = 261,913.76 : x
  2. Step 2: Convert to fraction form
    711,227.44/1,066,947.24 = 261,913.76/x
  3. Step 3: Cross multiply
    711,227.44x = 1,066,947.24 × 261,913.76
  4. Step 4: Simplify right side
    711,227.44x = 279,448,163,350.02
  5. Step 5: Solve for x
    x = 279,448,163,350.02/711,227.44
  6. Step 6: Final answer
    x = 392,909.70

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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.