Home / 1,401,388.11-1,933,915.32-756,808.20

Finding the Fourth Proportional to 1,401,388.11, 1,933,915.32 and 756,808.20

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Solution

The fourth proportional to 1,401,388.11, 1,933,915.32 and 756,808.20 is: 1,044,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,388.11 : 1,933,915.32 = 756,808.20 : x
  2. Step 2: Convert to fraction form
    1,401,388.11/1,933,915.32 = 756,808.20/x
  3. Step 3: Cross multiply
    1,401,388.11x = 1,933,915.32 × 756,808.20
  4. Step 4: Simplify right side
    1,401,388.11x = 1,463,602,972,281.62
  5. Step 5: Solve for x
    x = 1,463,602,972,281.62/1,401,388.11
  6. Step 6: Final answer
    x = 1,044,395.17

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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.