Home / 809,295.46-1,116,827.80-446,719.42

Finding the Fourth Proportional to 809,295.46, 1,116,827.80 and 446,719.42

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Solution

The fourth proportional to 809,295.46, 1,116,827.80 and 446,719.42 is: 616,472.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,295.46 : 1,116,827.80 = 446,719.42 : x
  2. Step 2: Convert to fraction form
    809,295.46/1,116,827.80 = 446,719.42/x
  3. Step 3: Cross multiply
    809,295.46x = 1,116,827.80 × 446,719.42
  4. Step 4: Simplify right side
    809,295.46x = 498,908,667,055.88
  5. Step 5: Solve for x
    x = 498,908,667,055.88/809,295.46
  6. Step 6: Final answer
    x = 616,472.84

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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.