Home / 808,979.97-1,116,391.50-446,403.72

Finding the Fourth Proportional to 808,979.97, 1,116,391.50 and 446,403.72

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Solution

The fourth proportional to 808,979.97, 1,116,391.50 and 446,403.72 is: 616,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,979.97 : 1,116,391.50 = 446,403.72 : x
  2. Step 2: Convert to fraction form
    808,979.97/1,116,391.50 = 446,403.72/x
  3. Step 3: Cross multiply
    808,979.97x = 1,116,391.50 × 446,403.72
  4. Step 4: Simplify right side
    808,979.97x = 498,361,318,576.38
  5. Step 5: Solve for x
    x = 498,361,318,576.38/808,979.97
  6. Step 6: Final answer
    x = 616,036.66

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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.