Home / 832,018.62-1,245,578.49-515,457.66

Finding the Fourth Proportional to 832,018.62, 1,245,578.49 and 515,457.66

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Solution

The fourth proportional to 832,018.62, 1,245,578.49 and 515,457.66 is: 771,669.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,018.62 : 1,245,578.49 = 515,457.66 : x
  2. Step 2: Convert to fraction form
    832,018.62/1,245,578.49 = 515,457.66/x
  3. Step 3: Cross multiply
    832,018.62x = 1,245,578.49 × 515,457.66
  4. Step 4: Simplify right side
    832,018.62x = 642,042,973,801.73
  5. Step 5: Solve for x
    x = 642,042,973,801.73/832,018.62
  6. Step 6: Final answer
    x = 771,669.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.