Home / 1,160,743.56-1,601,748.05-644,470.77

Finding the Fourth Proportional to 1,160,743.56, 1,601,748.05 and 644,470.77

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Solution

The fourth proportional to 1,160,743.56, 1,601,748.05 and 644,470.77 is: 889,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,743.56 : 1,601,748.05 = 644,470.77 : x
  2. Step 2: Convert to fraction form
    1,160,743.56/1,601,748.05 = 644,470.77/x
  3. Step 3: Cross multiply
    1,160,743.56x = 1,601,748.05 × 644,470.77
  4. Step 4: Simplify right side
    1,160,743.56x = 1,032,279,806,747.23
  5. Step 5: Solve for x
    x = 1,032,279,806,747.23/1,160,743.56
  6. Step 6: Final answer
    x = 889,326.33

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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.