Home / 1,639,786.55-2,262,808.00-951,405.08

Finding the Fourth Proportional to 1,639,786.55, 2,262,808.00 and 951,405.08

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Solution

The fourth proportional to 1,639,786.55, 2,262,808.00 and 951,405.08 is: 1,312,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,786.55 : 2,262,808.00 = 951,405.08 : x
  2. Step 2: Convert to fraction form
    1,639,786.55/2,262,808.00 = 951,405.08/x
  3. Step 3: Cross multiply
    1,639,786.55x = 2,262,808.00 × 951,405.08
  4. Step 4: Simplify right side
    1,639,786.55x = 2,152,847,016,139.86
  5. Step 5: Solve for x
    x = 2,152,847,016,139.86/1,639,786.55
  6. Step 6: Final answer
    x = 1,312,882.47

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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.