Home / 805,473.92-1,111,578.20-442,879.04

Finding the Fourth Proportional to 805,473.92, 1,111,578.20 and 442,879.04

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Solution

The fourth proportional to 805,473.92, 1,111,578.20 and 442,879.04 is: 611,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,473.92 : 1,111,578.20 = 442,879.04 : x
  2. Step 2: Convert to fraction form
    805,473.92/1,111,578.20 = 442,879.04/x
  3. Step 3: Cross multiply
    805,473.92x = 1,111,578.20 × 442,879.04
  4. Step 4: Simplify right side
    805,473.92x = 492,294,686,100.93
  5. Step 5: Solve for x
    x = 492,294,686,100.93/805,473.92
  6. Step 6: Final answer
    x = 611,186.38

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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.