Home / 1,451,237.95-2,176,857.31-426,568.39

Finding the Fourth Proportional to 1,451,237.95, 2,176,857.31 and 426,568.39

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Solution

The fourth proportional to 1,451,237.95, 2,176,857.31 and 426,568.39 is: 639,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,237.95 : 2,176,857.31 = 426,568.39 : x
  2. Step 2: Convert to fraction form
    1,451,237.95/2,176,857.31 = 426,568.39/x
  3. Step 3: Cross multiply
    1,451,237.95x = 2,176,857.31 × 426,568.39
  4. Step 4: Simplify right side
    1,451,237.95x = 928,578,517,986.43
  5. Step 5: Solve for x
    x = 928,578,517,986.43/1,451,237.95
  6. Step 6: Final answer
    x = 639,852.70

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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.