Home / 1,278,212.94-1,763,932.53-705,253.06

Finding the Fourth Proportional to 1,278,212.94, 1,763,932.53 and 705,253.06

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Solution

The fourth proportional to 1,278,212.94, 1,763,932.53 and 705,253.06 is: 973,248.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,212.94 : 1,763,932.53 = 705,253.06 : x
  2. Step 2: Convert to fraction form
    1,278,212.94/1,763,932.53 = 705,253.06/x
  3. Step 3: Cross multiply
    1,278,212.94x = 1,763,932.53 × 705,253.06
  4. Step 4: Simplify right side
    1,278,212.94x = 1,244,018,814,416.04
  5. Step 5: Solve for x
    x = 1,244,018,814,416.04/1,278,212.94
  6. Step 6: Final answer
    x = 973,248.49

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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.