Home / 888,104.79-1,331,956.27-407,870.91

Finding the Fourth Proportional to 888,104.79, 1,331,956.27 and 407,870.91

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Solution

The fourth proportional to 888,104.79, 1,331,956.27 and 407,870.91 is: 611,714.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,104.79 : 1,331,956.27 = 407,870.91 : x
  2. Step 2: Convert to fraction form
    888,104.79/1,331,956.27 = 407,870.91/x
  3. Step 3: Cross multiply
    888,104.79x = 1,331,956.27 × 407,870.91
  4. Step 4: Simplify right side
    888,104.79x = 543,266,216,434.94
  5. Step 5: Solve for x
    x = 543,266,216,434.94/888,104.79
  6. Step 6: Final answer
    x = 611,714.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.