Home / 1,247,414.35-1,721,428.37-696,124.16

Finding the Fourth Proportional to 1,247,414.35, 1,721,428.37 and 696,124.16

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Solution

The fourth proportional to 1,247,414.35, 1,721,428.37 and 696,124.16 is: 960,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,414.35 : 1,721,428.37 = 696,124.16 : x
  2. Step 2: Convert to fraction form
    1,247,414.35/1,721,428.37 = 696,124.16/x
  3. Step 3: Cross multiply
    1,247,414.35x = 1,721,428.37 × 696,124.16
  4. Step 4: Simplify right side
    1,247,414.35x = 1,198,327,878,066.42
  5. Step 5: Solve for x
    x = 1,198,327,878,066.42/1,247,414.35
  6. Step 6: Final answer
    x = 960,649.43

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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.