Home / 873,252.40-1,307,254.20-518,083.60

Finding the Fourth Proportional to 873,252.40, 1,307,254.20 and 518,083.60

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Solution

The fourth proportional to 873,252.40, 1,307,254.20 and 518,083.60 is: 775,568.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,252.40 : 1,307,254.20 = 518,083.60 : x
  2. Step 2: Convert to fraction form
    873,252.40/1,307,254.20 = 518,083.60/x
  3. Step 3: Cross multiply
    873,252.40x = 1,307,254.20 × 518,083.60
  4. Step 4: Simplify right side
    873,252.40x = 677,266,962,051.12
  5. Step 5: Solve for x
    x = 677,266,962,051.12/873,252.40
  6. Step 6: Final answer
    x = 775,568.39

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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.