Home / 716,453.05-988,846.41-410,734.66

Finding the Fourth Proportional to 716,453.05, 988,846.41 and 410,734.66

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Solution

The fourth proportional to 716,453.05, 988,846.41 and 410,734.66 is: 566,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,453.05 : 988,846.41 = 410,734.66 : x
  2. Step 2: Convert to fraction form
    716,453.05/988,846.41 = 410,734.66/x
  3. Step 3: Cross multiply
    716,453.05x = 988,846.41 × 410,734.66
  4. Step 4: Simplify right side
    716,453.05x = 406,153,494,003.57
  5. Step 5: Solve for x
    x = 406,153,494,003.57/716,453.05
  6. Step 6: Final answer
    x = 566,894.78

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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.