Home / 1,577,945.71-2,177,575.06-852,791.72

Finding the Fourth Proportional to 1,577,945.71, 2,177,575.06 and 852,791.72

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Solution

The fourth proportional to 1,577,945.71, 2,177,575.06 and 852,791.72 is: 1,176,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,945.71 : 2,177,575.06 = 852,791.72 : x
  2. Step 2: Convert to fraction form
    1,577,945.71/2,177,575.06 = 852,791.72/x
  3. Step 3: Cross multiply
    1,577,945.71x = 2,177,575.06 × 852,791.72
  4. Step 4: Simplify right side
    1,577,945.71x = 1,857,017,980,846.50
  5. Step 5: Solve for x
    x = 1,857,017,980,846.50/1,577,945.71
  6. Step 6: Final answer
    x = 1,176,857.97

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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.