Home / 497,547.06-686,072.38-336,121.85

Finding the Fourth Proportional to 497,547.06, 686,072.38 and 336,121.85

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Solution

The fourth proportional to 497,547.06, 686,072.38 and 336,121.85 is: 463,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,547.06 : 686,072.38 = 336,121.85 : x
  2. Step 2: Convert to fraction form
    497,547.06/686,072.38 = 336,121.85/x
  3. Step 3: Cross multiply
    497,547.06x = 686,072.38 × 336,121.85
  4. Step 4: Simplify right side
    497,547.06x = 230,603,919,104.61
  5. Step 5: Solve for x
    x = 230,603,919,104.61/497,547.06
  6. Step 6: Final answer
    x = 463,481.63

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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.