Home / 866,835.68-1,195,984.24-499,244.72

Finding the Fourth Proportional to 866,835.68, 1,195,984.24 and 499,244.72

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Solution

The fourth proportional to 866,835.68, 1,195,984.24 and 499,244.72 is: 688,814.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,835.68 : 1,195,984.24 = 499,244.72 : x
  2. Step 2: Convert to fraction form
    866,835.68/1,195,984.24 = 499,244.72/x
  3. Step 3: Cross multiply
    866,835.68x = 1,195,984.24 × 499,244.72
  4. Step 4: Simplify right side
    866,835.68x = 597,088,817,023.21
  5. Step 5: Solve for x
    x = 597,088,817,023.21/866,835.68
  6. Step 6: Final answer
    x = 688,814.31

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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.