Home / 818,832.28-1,129,954.62-456,237.40

Finding the Fourth Proportional to 818,832.28, 1,129,954.62 and 456,237.40

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Solution

The fourth proportional to 818,832.28, 1,129,954.62 and 456,237.40 is: 629,588.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,832.28 : 1,129,954.62 = 456,237.40 : x
  2. Step 2: Convert to fraction form
    818,832.28/1,129,954.62 = 456,237.40/x
  3. Step 3: Cross multiply
    818,832.28x = 1,129,954.62 × 456,237.40
  4. Step 4: Simplify right side
    818,832.28x = 515,527,557,946.79
  5. Step 5: Solve for x
    x = 515,527,557,946.79/818,832.28
  6. Step 6: Final answer
    x = 629,588.71

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1.5x scale

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.