Home / 1,251,671.86-1,876,678.21-452,849.46

Finding the Fourth Proportional to 1,251,671.86, 1,876,678.21 and 452,849.46

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Solution

The fourth proportional to 1,251,671.86, 1,876,678.21 and 452,849.46 is: 678,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,671.86 : 1,876,678.21 = 452,849.46 : x
  2. Step 2: Convert to fraction form
    1,251,671.86/1,876,678.21 = 452,849.46/x
  3. Step 3: Cross multiply
    1,251,671.86x = 1,876,678.21 × 452,849.46
  4. Step 4: Simplify right side
    1,251,671.86x = 849,852,713,992.27
  5. Step 5: Solve for x
    x = 849,852,713,992.27/1,251,671.86
  6. Step 6: Final answer
    x = 678,974.05

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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.