Home / 1,401,219.61-1,933,997.82-917,503.81

Finding the Fourth Proportional to 1,401,219.61, 1,933,997.82 and 917,503.81

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Solution

The fourth proportional to 1,401,219.61, 1,933,997.82 and 917,503.81 is: 1,266,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,219.61 : 1,933,997.82 = 917,503.81 : x
  2. Step 2: Convert to fraction form
    1,401,219.61/1,933,997.82 = 917,503.81/x
  3. Step 3: Cross multiply
    1,401,219.61x = 1,933,997.82 × 917,503.81
  4. Step 4: Simplify right side
    1,401,219.61x = 1,774,450,360,106.06
  5. Step 5: Solve for x
    x = 1,774,450,360,106.06/1,401,219.61
  6. Step 6: Final answer
    x = 1,266,361.35

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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.