Home / 1,176,126.72-1,623,090.56-666,850.56

Finding the Fourth Proportional to 1,176,126.72, 1,623,090.56 and 666,850.56

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Solution

The fourth proportional to 1,176,126.72, 1,623,090.56 and 666,850.56 is: 920,274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,126.72 : 1,623,090.56 = 666,850.56 : x
  2. Step 2: Convert to fraction form
    1,176,126.72/1,623,090.56 = 666,850.56/x
  3. Step 3: Cross multiply
    1,176,126.72x = 1,623,090.56 × 666,850.56
  4. Step 4: Simplify right side
    1,176,126.72x = 1,082,358,848,866.71
  5. Step 5: Solve for x
    x = 1,082,358,848,866.71/1,176,126.72
  6. Step 6: Final answer
    x = 920,274.01

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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.