Home / 497,566.22-686,098.75-336,140.98

Finding the Fourth Proportional to 497,566.22, 686,098.75 and 336,140.98

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Solution

The fourth proportional to 497,566.22, 686,098.75 and 336,140.98 is: 463,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,566.22 : 686,098.75 = 336,140.98 : x
  2. Step 2: Convert to fraction form
    497,566.22/686,098.75 = 336,140.98/x
  3. Step 3: Cross multiply
    497,566.22x = 686,098.75 × 336,140.98
  4. Step 4: Simplify right side
    497,566.22x = 230,625,906,201.78
  5. Step 5: Solve for x
    x = 230,625,906,201.78/497,566.22
  6. Step 6: Final answer
    x = 463,507.97

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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.