Home / 1,588,561.76-2,192,237.46-863,409.26

Finding the Fourth Proportional to 1,588,561.76, 2,192,237.46 and 863,409.26

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Solution

The fourth proportional to 1,588,561.76, 2,192,237.46 and 863,409.26 is: 1,191,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,561.76 : 2,192,237.46 = 863,409.26 : x
  2. Step 2: Convert to fraction form
    1,588,561.76/2,192,237.46 = 863,409.26/x
  3. Step 3: Cross multiply
    1,588,561.76x = 2,192,237.46 × 863,409.26
  4. Step 4: Simplify right side
    1,588,561.76x = 1,892,798,128,563.47
  5. Step 5: Solve for x
    x = 1,892,798,128,563.47/1,588,561.76
  6. Step 6: Final answer
    x = 1,191,516.86

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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.