Home / 802,867.20-1,107,958.26-440,293.58

Finding the Fourth Proportional to 802,867.20, 1,107,958.26 and 440,293.58

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Solution

The fourth proportional to 802,867.20, 1,107,958.26 and 440,293.58 is: 607,605.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,867.20 : 1,107,958.26 = 440,293.58 : x
  2. Step 2: Convert to fraction form
    802,867.20/1,107,958.26 = 440,293.58/x
  3. Step 3: Cross multiply
    802,867.20x = 1,107,958.26 × 440,293.58
  4. Step 4: Simplify right side
    802,867.20x = 487,826,908,785.97
  5. Step 5: Solve for x
    x = 487,826,908,785.97/802,867.20
  6. Step 6: Final answer
    x = 607,605.98

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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.