Home / 1,160,122.31-1,600,944.70-643,846.22

Finding the Fourth Proportional to 1,160,122.31, 1,600,944.70 and 643,846.22

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Solution

The fourth proportional to 1,160,122.31, 1,600,944.70 and 643,846.22 is: 888,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,122.31 : 1,600,944.70 = 643,846.22 : x
  2. Step 2: Convert to fraction form
    1,160,122.31/1,600,944.70 = 643,846.22/x
  3. Step 3: Cross multiply
    1,160,122.31x = 1,600,944.70 × 643,846.22
  4. Step 4: Simplify right side
    1,160,122.31x = 1,030,762,193,524.03
  5. Step 5: Solve for x
    x = 1,030,762,193,524.03/1,160,122.31
  6. Step 6: Final answer
    x = 888,494.42

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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.