Home / 914,450.11-1,261,951.25-506,558.21

Finding the Fourth Proportional to 914,450.11, 1,261,951.25 and 506,558.21

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Solution

The fourth proportional to 914,450.11, 1,261,951.25 and 506,558.21 is: 699,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,450.11 : 1,261,951.25 = 506,558.21 : x
  2. Step 2: Convert to fraction form
    914,450.11/1,261,951.25 = 506,558.21/x
  3. Step 3: Cross multiply
    914,450.11x = 1,261,951.25 × 506,558.21
  4. Step 4: Simplify right side
    914,450.11x = 639,251,757,464.72
  5. Step 5: Solve for x
    x = 639,251,757,464.72/914,450.11
  6. Step 6: Final answer
    x = 699,055.92

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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.