Home / 827,543.52-1,141,978.26-464,982.66

Finding the Fourth Proportional to 827,543.52, 1,141,978.26 and 464,982.66

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Solution

The fourth proportional to 827,543.52, 1,141,978.26 and 464,982.66 is: 641,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,543.52 : 1,141,978.26 = 464,982.66 : x
  2. Step 2: Convert to fraction form
    827,543.52/1,141,978.26 = 464,982.66/x
  3. Step 3: Cross multiply
    827,543.52x = 1,141,978.26 × 464,982.66
  4. Step 4: Simplify right side
    827,543.52x = 531,000,090,740.66
  5. Step 5: Solve for x
    x = 531,000,090,740.66/827,543.52
  6. Step 6: Final answer
    x = 641,658.21

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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.