Home / 1,131,586.47-1,561,541.76-641,588.94

Finding the Fourth Proportional to 1,131,586.47, 1,561,541.76 and 641,588.94

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Solution

The fourth proportional to 1,131,586.47, 1,561,541.76 and 641,588.94 is: 885,365.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,586.47 : 1,561,541.76 = 641,588.94 : x
  2. Step 2: Convert to fraction form
    1,131,586.47/1,561,541.76 = 641,588.94/x
  3. Step 3: Cross multiply
    1,131,586.47x = 1,561,541.76 × 641,588.94
  4. Step 4: Simplify right side
    1,131,586.47x = 1,001,867,922,564.13
  5. Step 5: Solve for x
    x = 1,001,867,922,564.13/1,131,586.47
  6. Step 6: Final answer
    x = 885,365.77

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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.