Home / 873,940.28-1,206,216.24-551,433.11

Finding the Fourth Proportional to 873,940.28, 1,206,216.24 and 551,433.11

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Solution

The fourth proportional to 873,940.28, 1,206,216.24 and 551,433.11 is: 761,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,940.28 : 1,206,216.24 = 551,433.11 : x
  2. Step 2: Convert to fraction form
    873,940.28/1,206,216.24 = 551,433.11/x
  3. Step 3: Cross multiply
    873,940.28x = 1,206,216.24 × 551,433.11
  4. Step 4: Simplify right side
    873,940.28x = 665,147,572,555.71
  5. Step 5: Solve for x
    x = 665,147,572,555.71/873,940.28
  6. Step 6: Final answer
    x = 761,090.42

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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.