Home / 1,199,941.12-1,655,918.89-656,077.28

Finding the Fourth Proportional to 1,199,941.12, 1,655,918.89 and 656,077.28

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Solution

The fourth proportional to 1,199,941.12, 1,655,918.89 and 656,077.28 is: 905,386.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,941.12 : 1,655,918.89 = 656,077.28 : x
  2. Step 2: Convert to fraction form
    1,199,941.12/1,655,918.89 = 656,077.28/x
  3. Step 3: Cross multiply
    1,199,941.12x = 1,655,918.89 × 656,077.28
  4. Step 4: Simplify right side
    1,199,941.12x = 1,086,410,760,939.37
  5. Step 5: Solve for x
    x = 1,086,410,760,939.37/1,199,941.12
  6. Step 6: Final answer
    x = 905,386.72

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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.