Home / 1,863,507.40-2,795,323.24-515,557.12

Finding the Fourth Proportional to 1,863,507.40, 2,795,323.24 and 515,557.12

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Solution

The fourth proportional to 1,863,507.40, 2,795,323.24 and 515,557.12 is: 773,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,507.40 : 2,795,323.24 = 515,557.12 : x
  2. Step 2: Convert to fraction form
    1,863,507.40/2,795,323.24 = 515,557.12/x
  3. Step 3: Cross multiply
    1,863,507.40x = 2,795,323.24 × 515,557.12
  4. Step 4: Simplify right side
    1,863,507.40x = 1,441,148,799,083.47
  5. Step 5: Solve for x
    x = 1,441,148,799,083.47/1,863,507.40
  6. Step 6: Final answer
    x = 773,352.87

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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.