Home / 805,330.94-1,111,357.41-442,760.97

Finding the Fourth Proportional to 805,330.94, 1,111,357.41 and 442,760.97

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Solution

The fourth proportional to 805,330.94, 1,111,357.41 and 442,760.97 is: 611,010.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,330.94 : 1,111,357.41 = 442,760.97 : x
  2. Step 2: Convert to fraction form
    805,330.94/1,111,357.41 = 442,760.97/x
  3. Step 3: Cross multiply
    805,330.94x = 1,111,357.41 × 442,760.97
  4. Step 4: Simplify right side
    805,330.94x = 492,065,684,868.29
  5. Step 5: Solve for x
    x = 492,065,684,868.29/805,330.94
  6. Step 6: Final answer
    x = 611,010.53

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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.