Home / 1,908,700.32-2,862,975.68-646,527.90

Finding the Fourth Proportional to 1,908,700.32, 2,862,975.68 and 646,527.90

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Solution

The fourth proportional to 1,908,700.32, 2,862,975.68 and 646,527.90 is: 969,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,700.32 : 2,862,975.68 = 646,527.90 : x
  2. Step 2: Convert to fraction form
    1,908,700.32/2,862,975.68 = 646,527.90/x
  3. Step 3: Cross multiply
    1,908,700.32x = 2,862,975.68 × 646,527.90
  4. Step 4: Simplify right side
    1,908,700.32x = 1,850,993,654,141.47
  5. Step 5: Solve for x
    x = 1,850,993,654,141.47/1,908,700.32
  6. Step 6: Final answer
    x = 969,766.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.