Home / 740,958.41-1,022,527.52-401,426.66

Finding the Fourth Proportional to 740,958.41, 1,022,527.52 and 401,426.66

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Solution

The fourth proportional to 740,958.41, 1,022,527.52 and 401,426.66 is: 553,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,958.41 : 1,022,527.52 = 401,426.66 : x
  2. Step 2: Convert to fraction form
    740,958.41/1,022,527.52 = 401,426.66/x
  3. Step 3: Cross multiply
    740,958.41x = 1,022,527.52 × 401,426.66
  4. Step 4: Simplify right side
    740,958.41x = 410,469,799,991.91
  5. Step 5: Solve for x
    x = 410,469,799,991.91/740,958.41
  6. Step 6: Final answer
    x = 553,971.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.