Home / 818,810.16-1,129,941-456,232.56

Finding the Fourth Proportional to 818,810.16, 1,129,941 and 456,232.56

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Solution

The fourth proportional to 818,810.16, 1,129,941 and 456,232.56 is: 629,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,810.16 : 1,129,941 = 456,232.56 : x
  2. Step 2: Convert to fraction form
    818,810.16/1,129,941 = 456,232.56/x
  3. Step 3: Cross multiply
    818,810.16x = 1,129,941 × 456,232.56
  4. Step 4: Simplify right side
    818,810.16x = 515,515,875,078.96
  5. Step 5: Solve for x
    x = 515,515,875,078.96/818,810.16
  6. Step 6: Final answer
    x = 629,591.45

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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.