Home / 1,352,936.68-1,867,066.34-816,289

Finding the Fourth Proportional to 1,352,936.68, 1,867,066.34 and 816,289

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Solution

The fourth proportional to 1,352,936.68, 1,867,066.34 and 816,289 is: 1,126,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,936.68 : 1,867,066.34 = 816,289 : x
  2. Step 2: Convert to fraction form
    1,352,936.68/1,867,066.34 = 816,289/x
  3. Step 3: Cross multiply
    1,352,936.68x = 1,867,066.34 × 816,289
  4. Step 4: Simplify right side
    1,352,936.68x = 1,524,065,715,612.26
  5. Step 5: Solve for x
    x = 1,524,065,715,612.26/1,352,936.68
  6. Step 6: Final answer
    x = 1,126,487.10

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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.