Home / 1,200,672.84-1,656,968.07-656,796.18

Finding the Fourth Proportional to 1,200,672.84, 1,656,968.07 and 656,796.18

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Solution

The fourth proportional to 1,200,672.84, 1,656,968.07 and 656,796.18 is: 906,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,672.84 : 1,656,968.07 = 656,796.18 : x
  2. Step 2: Convert to fraction form
    1,200,672.84/1,656,968.07 = 656,796.18/x
  3. Step 3: Cross multiply
    1,200,672.84x = 1,656,968.07 × 656,796.18
  4. Step 4: Simplify right side
    1,200,672.84x = 1,088,290,298,757.97
  5. Step 5: Solve for x
    x = 1,088,290,298,757.97/1,200,672.84
  6. Step 6: Final answer
    x = 906,400.36

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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.