Home / 807,187.50-1,113,918.75-467,852.58

Finding the Fourth Proportional to 807,187.50, 1,113,918.75 and 467,852.58

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Solution

The fourth proportional to 807,187.50, 1,113,918.75 and 467,852.58 is: 645,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,187.50 : 1,113,918.75 = 467,852.58 : x
  2. Step 2: Convert to fraction form
    807,187.50/1,113,918.75 = 467,852.58/x
  3. Step 3: Cross multiply
    807,187.50x = 1,113,918.75 × 467,852.58
  4. Step 4: Simplify right side
    807,187.50x = 521,149,761,097.88
  5. Step 5: Solve for x
    x = 521,149,761,097.88/807,187.50
  6. Step 6: Final answer
    x = 645,636.56

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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.