Home / 818,653.92-1,129,713.93-456,059.04

Finding the Fourth Proportional to 818,653.92, 1,129,713.93 and 456,059.04

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Solution

The fourth proportional to 818,653.92, 1,129,713.93 and 456,059.04 is: 629,345.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,653.92 : 1,129,713.93 = 456,059.04 : x
  2. Step 2: Convert to fraction form
    818,653.92/1,129,713.93 = 456,059.04/x
  3. Step 3: Cross multiply
    818,653.92x = 1,129,713.93 × 456,059.04
  4. Step 4: Simplify right side
    818,653.92x = 515,216,250,390.43
  5. Step 5: Solve for x
    x = 515,216,250,390.43/818,653.92
  6. Step 6: Final answer
    x = 629,345.61

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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.