Home / 1,096,090.79-1,512,849.35-666,279.68

Finding the Fourth Proportional to 1,096,090.79, 1,512,849.35 and 666,279.68

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Solution

The fourth proportional to 1,096,090.79, 1,512,849.35 and 666,279.68 is: 919,614.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,090.79 : 1,512,849.35 = 666,279.68 : x
  2. Step 2: Convert to fraction form
    1,096,090.79/1,512,849.35 = 666,279.68/x
  3. Step 3: Cross multiply
    1,096,090.79x = 1,512,849.35 × 666,279.68
  4. Step 4: Simplify right side
    1,096,090.79x = 1,007,980,774,907.66
  5. Step 5: Solve for x
    x = 1,007,980,774,907.66/1,096,090.79
  6. Step 6: Final answer
    x = 919,614.31

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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.