Home / 1,218,171.11-1,681,256.25-701,826.66

Finding the Fourth Proportional to 1,218,171.11, 1,681,256.25 and 701,826.66

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Solution

The fourth proportional to 1,218,171.11, 1,681,256.25 and 701,826.66 is: 968,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,171.11 : 1,681,256.25 = 701,826.66 : x
  2. Step 2: Convert to fraction form
    1,218,171.11/1,681,256.25 = 701,826.66/x
  3. Step 3: Cross multiply
    1,218,171.11x = 1,681,256.25 × 701,826.66
  4. Step 4: Simplify right side
    1,218,171.11x = 1,179,950,458,541.63
  5. Step 5: Solve for x
    x = 1,179,950,458,541.63/1,218,171.11
  6. Step 6: Final answer
    x = 968,624.57

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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.