Home / 1,211,798.36-1,672,292.87-667,955.01

Finding the Fourth Proportional to 1,211,798.36, 1,672,292.87 and 667,955.01

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Solution

The fourth proportional to 1,211,798.36, 1,672,292.87 and 667,955.01 is: 921,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,798.36 : 1,672,292.87 = 667,955.01 : x
  2. Step 2: Convert to fraction form
    1,211,798.36/1,672,292.87 = 667,955.01/x
  3. Step 3: Cross multiply
    1,211,798.36x = 1,672,292.87 × 667,955.01
  4. Step 4: Simplify right side
    1,211,798.36x = 1,117,016,397,364.00
  5. Step 5: Solve for x
    x = 1,117,016,397,364.00/1,211,798.36
  6. Step 6: Final answer
    x = 921,784.05

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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.