Home / 1,426,818.84-1,969,005.41-773,447.40

Finding the Fourth Proportional to 1,426,818.84, 1,969,005.41 and 773,447.40

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Solution

The fourth proportional to 1,426,818.84, 1,969,005.41 and 773,447.40 is: 1,067,354.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,818.84 : 1,969,005.41 = 773,447.40 : x
  2. Step 2: Convert to fraction form
    1,426,818.84/1,969,005.41 = 773,447.40/x
  3. Step 3: Cross multiply
    1,426,818.84x = 1,969,005.41 × 773,447.40
  4. Step 4: Simplify right side
    1,426,818.84x = 1,522,922,113,983.62
  5. Step 5: Solve for x
    x = 1,522,922,113,983.62/1,426,818.84
  6. Step 6: Final answer
    x = 1,067,354.93

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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.