Home / 1,278,180.96-1,763,895.36-705,220.80

Finding the Fourth Proportional to 1,278,180.96, 1,763,895.36 and 705,220.80

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Solution

The fourth proportional to 1,278,180.96, 1,763,895.36 and 705,220.80 is: 973,207.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,180.96 : 1,763,895.36 = 705,220.80 : x
  2. Step 2: Convert to fraction form
    1,278,180.96/1,763,895.36 = 705,220.80/x
  3. Step 3: Cross multiply
    1,278,180.96x = 1,763,895.36 × 705,220.80
  4. Step 4: Simplify right side
    1,278,180.96x = 1,243,935,696,895.49
  5. Step 5: Solve for x
    x = 1,243,935,696,895.49/1,278,180.96
  6. Step 6: Final answer
    x = 973,207.81

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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.