Home / 850,785.30-1,174,108.80-468,836.70

Finding the Fourth Proportional to 850,785.30, 1,174,108.80 and 468,836.70

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Solution

The fourth proportional to 850,785.30, 1,174,108.80 and 468,836.70 is: 647,008.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,785.30 : 1,174,108.80 = 468,836.70 : x
  2. Step 2: Convert to fraction form
    850,785.30/1,174,108.80 = 468,836.70/x
  3. Step 3: Cross multiply
    850,785.30x = 1,174,108.80 × 468,836.70
  4. Step 4: Simplify right side
    850,785.30x = 550,465,295,232.96
  5. Step 5: Solve for x
    x = 550,465,295,232.96/850,785.30
  6. Step 6: Final answer
    x = 647,008.47

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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.